Home / 3,417,917.12-5,127,997.92-1,397,859.92

Finding the Fourth Proportional to 3,417,917.12, 5,127,997.92 and 1,397,859.92

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Solution

The fourth proportional to 3,417,917.12, 5,127,997.92 and 1,397,859.92 is: 2,097,248.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417,917.12 : 5,127,997.92 = 1,397,859.92 : x
  2. Step 2: Convert to fraction form
    3,417,917.12/5,127,997.92 = 1,397,859.92/x
  3. Step 3: Cross multiply
    3,417,917.12x = 5,127,997.92 × 1,397,859.92
  4. Step 4: Simplify right side
    3,417,917.12x = 7,168,222,762,211.37
  5. Step 5: Solve for x
    x = 7,168,222,762,211.37/3,417,917.12
  6. Step 6: Final answer
    x = 2,097,248.85

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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.