Home / 3,438,182.90-5,158,305.59-1,387,788.39

Finding the Fourth Proportional to 3,438,182.90, 5,158,305.59 and 1,387,788.39

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Solution

The fourth proportional to 3,438,182.90, 5,158,305.59 and 1,387,788.39 is: 2,082,098.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,182.90 : 5,158,305.59 = 1,387,788.39 : x
  2. Step 2: Convert to fraction form
    3,438,182.90/5,158,305.59 = 1,387,788.39/x
  3. Step 3: Cross multiply
    3,438,182.90x = 5,158,305.59 × 1,387,788.39
  4. Step 4: Simplify right side
    3,438,182.90x = 7,158,636,602,935.16
  5. Step 5: Solve for x
    x = 7,158,636,602,935.16/3,438,182.90
  6. Step 6: Final answer
    x = 2,082,098.83

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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.