Home / 5,575,359.52-7,679,660.52-3,940,957

Finding the Fourth Proportional to 5,575,359.52, 7,679,660.52 and 3,940,957

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Solution

The fourth proportional to 5,575,359.52, 7,679,660.52 and 3,940,957 is: 5,428,387.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575,359.52 : 7,679,660.52 = 3,940,957 : x
  2. Step 2: Convert to fraction form
    5,575,359.52/7,679,660.52 = 3,940,957/x
  3. Step 3: Cross multiply
    5,575,359.52x = 7,679,660.52 × 3,940,957
  4. Step 4: Simplify right side
    5,575,359.52x = 30,265,211,883,917.64
  5. Step 5: Solve for x
    x = 30,265,211,883,917.64/5,575,359.52
  6. Step 6: Final answer
    x = 5,428,387.49

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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.