Home / 3,354,138.10-4,628,609.49-1,863,984.75

Finding the Fourth Proportional to 3,354,138.10, 4,628,609.49 and 1,863,984.75

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Solution

The fourth proportional to 3,354,138.10, 4,628,609.49 and 1,863,984.75 is: 2,572,242.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354,138.10 : 4,628,609.49 = 1,863,984.75 : x
  2. Step 2: Convert to fraction form
    3,354,138.10/4,628,609.49 = 1,863,984.75/x
  3. Step 3: Cross multiply
    3,354,138.10x = 4,628,609.49 × 1,863,984.75
  4. Step 4: Simplify right side
    3,354,138.10x = 8,627,657,503,065.28
  5. Step 5: Solve for x
    x = 8,627,657,503,065.28/3,354,138.10
  6. Step 6: Final answer
    x = 2,572,242.78

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.