Home / 5,638,191.40-8,457,287.10-3,249,404.20

Finding the Fourth Proportional to 5,638,191.40, 8,457,287.10 and 3,249,404.20

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Solution

The fourth proportional to 5,638,191.40, 8,457,287.10 and 3,249,404.20 is: 4,874,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,191.40 : 8,457,287.10 = 3,249,404.20 : x
  2. Step 2: Convert to fraction form
    5,638,191.40/8,457,287.10 = 3,249,404.20/x
  3. Step 3: Cross multiply
    5,638,191.40x = 8,457,287.10 × 3,249,404.20
  4. Step 4: Simplify right side
    5,638,191.40x = 27,481,144,223,345.82
  5. Step 5: Solve for x
    x = 27,481,144,223,345.82/5,638,191.40
  6. Step 6: Final answer
    x = 4,874,106.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.