Home / 2,531,428.22-3,493,344.33-1,369,849.05

Finding the Fourth Proportional to 2,531,428.22, 3,493,344.33 and 1,369,849.05

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Solution

The fourth proportional to 2,531,428.22, 3,493,344.33 and 1,369,849.05 is: 1,890,377.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531,428.22 : 3,493,344.33 = 1,369,849.05 : x
  2. Step 2: Convert to fraction form
    2,531,428.22/3,493,344.33 = 1,369,849.05/x
  3. Step 3: Cross multiply
    2,531,428.22x = 3,493,344.33 × 1,369,849.05
  4. Step 4: Simplify right side
    2,531,428.22x = 4,785,354,411,773.39
  5. Step 5: Solve for x
    x = 4,785,354,411,773.39/2,531,428.22
  6. Step 6: Final answer
    x = 1,890,377.29

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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.