Home / 2,764,340.30-4,146,720.35-942,138.90

Finding the Fourth Proportional to 2,764,340.30, 4,146,720.35 and 942,138.90

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Solution

The fourth proportional to 2,764,340.30, 4,146,720.35 and 942,138.90 is: 1,413,279.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764,340.30 : 4,146,720.35 = 942,138.90 : x
  2. Step 2: Convert to fraction form
    2,764,340.30/4,146,720.35 = 942,138.90/x
  3. Step 3: Cross multiply
    2,764,340.30x = 4,146,720.35 × 942,138.90
  4. Step 4: Simplify right side
    2,764,340.30x = 3,906,786,549,156.62
  5. Step 5: Solve for x
    x = 3,906,786,549,156.62/2,764,340.30
  6. Step 6: Final answer
    x = 1,413,279.89

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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.