Home / 4,428,511.40-6,642,767.10-2,832,876.20

Finding the Fourth Proportional to 4,428,511.40, 6,642,767.10 and 2,832,876.20

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Solution

The fourth proportional to 4,428,511.40, 6,642,767.10 and 2,832,876.20 is: 4,249,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428,511.40 : 6,642,767.10 = 2,832,876.20 : x
  2. Step 2: Convert to fraction form
    4,428,511.40/6,642,767.10 = 2,832,876.20/x
  3. Step 3: Cross multiply
    4,428,511.40x = 6,642,767.10 × 2,832,876.20
  4. Step 4: Simplify right side
    4,428,511.40x = 18,818,136,819,733.02
  5. Step 5: Solve for x
    x = 18,818,136,819,733.02/4,428,511.40
  6. Step 6: Final answer
    x = 4,249,314.30

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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.