Home / 5,166,171.66-7,129,657.62-2,874,337.14

Finding the Fourth Proportional to 5,166,171.66, 7,129,657.62 and 2,874,337.14

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Solution

The fourth proportional to 5,166,171.66, 7,129,657.62 and 2,874,337.14 is: 3,966,774.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166,171.66 : 7,129,657.62 = 2,874,337.14 : x
  2. Step 2: Convert to fraction form
    5,166,171.66/7,129,657.62 = 2,874,337.14/x
  3. Step 3: Cross multiply
    5,166,171.66x = 7,129,657.62 × 2,874,337.14
  4. Step 4: Simplify right side
    5,166,171.66x = 20,493,039,692,650.01
  5. Step 5: Solve for x
    x = 20,493,039,692,650.01/5,166,171.66
  6. Step 6: Final answer
    x = 3,966,774.83

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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.