Home / 6,397,878.38-9,596,817.56-2,138,046.53

Finding the Fourth Proportional to 6,397,878.38, 9,596,817.56 and 2,138,046.53

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Solution

The fourth proportional to 6,397,878.38, 9,596,817.56 and 2,138,046.53 is: 3,207,069.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,397,878.38 : 9,596,817.56 = 2,138,046.53 : x
  2. Step 2: Convert to fraction form
    6,397,878.38/9,596,817.56 = 2,138,046.53/x
  3. Step 3: Cross multiply
    6,397,878.38x = 9,596,817.56 × 2,138,046.53
  4. Step 4: Simplify right side
    6,397,878.38x = 20,518,442,440,562.09
  5. Step 5: Solve for x
    x = 20,518,442,440,562.09/6,397,878.38
  6. Step 6: Final answer
    x = 3,207,069.79

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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.