Home / 5,122,343.10-7,678,265.85-2,991,330.30

Finding the Fourth Proportional to 5,122,343.10, 7,678,265.85 and 2,991,330.30

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Solution

The fourth proportional to 5,122,343.10, 7,678,265.85 and 2,991,330.30 is: 4,483,930.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122,343.10 : 7,678,265.85 = 2,991,330.30 : x
  2. Step 2: Convert to fraction form
    5,122,343.10/7,678,265.85 = 2,991,330.30/x
  3. Step 3: Cross multiply
    5,122,343.10x = 7,678,265.85 × 2,991,330.30
  4. Step 4: Simplify right side
    5,122,343.10x = 22,968,229,288,560.25
  5. Step 5: Solve for x
    x = 22,968,229,288,560.25/5,122,343.10
  6. Step 6: Final answer
    x = 4,483,930.27

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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.