Home / 3,547,872.40-5,321,808.60-2,428,128.40

Finding the Fourth Proportional to 3,547,872.40, 5,321,808.60 and 2,428,128.40

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Solution

The fourth proportional to 3,547,872.40, 5,321,808.60 and 2,428,128.40 is: 3,642,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547,872.40 : 5,321,808.60 = 2,428,128.40 : x
  2. Step 2: Convert to fraction form
    3,547,872.40/5,321,808.60 = 2,428,128.40/x
  3. Step 3: Cross multiply
    3,547,872.40x = 5,321,808.60 × 2,428,128.40
  4. Step 4: Simplify right side
    3,547,872.40x = 12,922,034,601,024.24
  5. Step 5: Solve for x
    x = 12,922,034,601,024.24/3,547,872.40
  6. Step 6: Final answer
    x = 3,642,192.60

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Similar ratio
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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.