Home / 6,418,889.04-8,858,974.14-3,972,288.10

Finding the Fourth Proportional to 6,418,889.04, 8,858,974.14 and 3,972,288.10

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Solution

The fourth proportional to 6,418,889.04, 8,858,974.14 and 3,972,288.10 is: 5,482,319.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418,889.04 : 8,858,974.14 = 3,972,288.10 : x
  2. Step 2: Convert to fraction form
    6,418,889.04/8,858,974.14 = 3,972,288.10/x
  3. Step 3: Cross multiply
    6,418,889.04x = 8,858,974.14 × 3,972,288.10
  4. Step 4: Simplify right side
    6,418,889.04x = 35,190,397,554,529.73
  5. Step 5: Solve for x
    x = 35,190,397,554,529.73/6,418,889.04
  6. Step 6: Final answer
    x = 5,482,319.03

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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.