Home / 3,172,070.03-4,377,338.62-1,721,734.25

Finding the Fourth Proportional to 3,172,070.03, 4,377,338.62 and 1,721,734.25

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Solution

The fourth proportional to 3,172,070.03, 4,377,338.62 and 1,721,734.25 is: 2,375,929.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,070.03 : 4,377,338.62 = 1,721,734.25 : x
  2. Step 2: Convert to fraction form
    3,172,070.03/4,377,338.62 = 1,721,734.25/x
  3. Step 3: Cross multiply
    3,172,070.03x = 4,377,338.62 × 1,721,734.25
  4. Step 4: Simplify right side
    3,172,070.03x = 7,536,613,799,710.71
  5. Step 5: Solve for x
    x = 7,536,613,799,710.71/3,172,070.03
  6. Step 6: Final answer
    x = 2,375,929.20

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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.