Home / 3,942,000.30-5,913,000.45-1,102,107.90

Finding the Fourth Proportional to 3,942,000.30, 5,913,000.45 and 1,102,107.90

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Solution

The fourth proportional to 3,942,000.30, 5,913,000.45 and 1,102,107.90 is: 1,653,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,000.30 : 5,913,000.45 = 1,102,107.90 : x
  2. Step 2: Convert to fraction form
    3,942,000.30/5,913,000.45 = 1,102,107.90/x
  3. Step 3: Cross multiply
    3,942,000.30x = 5,913,000.45 × 1,102,107.90
  4. Step 4: Simplify right side
    3,942,000.30x = 6,516,764,508,648.56
  5. Step 5: Solve for x
    x = 6,516,764,508,648.56/3,942,000.30
  6. Step 6: Final answer
    x = 1,653,161.85

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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.