Home / 2,720,005.30-4,078,841.55-1,371,646.90

Finding the Fourth Proportional to 2,720,005.30, 4,078,841.55 and 1,371,646.90

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Solution

The fourth proportional to 2,720,005.30, 4,078,841.55 and 1,371,646.90 is: 2,056,882.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,005.30 : 4,078,841.55 = 1,371,646.90 : x
  2. Step 2: Convert to fraction form
    2,720,005.30/4,078,841.55 = 1,371,646.90/x
  3. Step 3: Cross multiply
    2,720,005.30x = 4,078,841.55 × 1,371,646.90
  4. Step 4: Simplify right side
    2,720,005.30x = 5,594,730,367,648.69
  5. Step 5: Solve for x
    x = 5,594,730,367,648.69/2,720,005.30
  6. Step 6: Final answer
    x = 2,056,882.16

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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.