Home / 5,395,123.31-7,445,183.28-2,947,681.85

Finding the Fourth Proportional to 5,395,123.31, 7,445,183.28 and 2,947,681.85

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Solution

The fourth proportional to 5,395,123.31, 7,445,183.28 and 2,947,681.85 is: 4,067,753.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395,123.31 : 7,445,183.28 = 2,947,681.85 : x
  2. Step 2: Convert to fraction form
    5,395,123.31/7,445,183.28 = 2,947,681.85/x
  3. Step 3: Cross multiply
    5,395,123.31x = 7,445,183.28 × 2,947,681.85
  4. Step 4: Simplify right side
    5,395,123.31x = 21,946,031,624,379.47
  5. Step 5: Solve for x
    x = 21,946,031,624,379.47/5,395,123.31
  6. Step 6: Final answer
    x = 4,067,753.48

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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.