Home / 4,724,127.80-7,084,809.30-1,691,142.20

Finding the Fourth Proportional to 4,724,127.80, 7,084,809.30 and 1,691,142.20

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Solution

The fourth proportional to 4,724,127.80, 7,084,809.30 and 1,691,142.20 is: 2,536,218.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724,127.80 : 7,084,809.30 = 1,691,142.20 : x
  2. Step 2: Convert to fraction form
    4,724,127.80/7,084,809.30 = 1,691,142.20/x
  3. Step 3: Cross multiply
    4,724,127.80x = 7,084,809.30 × 1,691,142.20
  4. Step 4: Simplify right side
    4,724,127.80x = 11,981,419,986,182.46
  5. Step 5: Solve for x
    x = 11,981,419,986,182.46/4,724,127.80
  6. Step 6: Final answer
    x = 2,536,218.43

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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.