Home / 5,419,731.60-7,479,325.53-2,972,321.28

Finding the Fourth Proportional to 5,419,731.60, 7,479,325.53 and 2,972,321.28

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Solution

The fourth proportional to 5,419,731.60, 7,479,325.53 and 2,972,321.28 is: 4,101,855.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419,731.60 : 7,479,325.53 = 2,972,321.28 : x
  2. Step 2: Convert to fraction form
    5,419,731.60/7,479,325.53 = 2,972,321.28/x
  3. Step 3: Cross multiply
    5,419,731.60x = 7,479,325.53 × 2,972,321.28
  4. Step 4: Simplify right side
    5,419,731.60x = 22,230,958,432,866.28
  5. Step 5: Solve for x
    x = 22,230,958,432,866.28/5,419,731.60
  6. Step 6: Final answer
    x = 4,101,855.97

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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.