Home / 3,126,456.30-4,690,202.85-1,330,200.30

Finding the Fourth Proportional to 3,126,456.30, 4,690,202.85 and 1,330,200.30

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Solution

The fourth proportional to 3,126,456.30, 4,690,202.85 and 1,330,200.30 is: 1,995,521.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126,456.30 : 4,690,202.85 = 1,330,200.30 : x
  2. Step 2: Convert to fraction form
    3,126,456.30/4,690,202.85 = 1,330,200.30/x
  3. Step 3: Cross multiply
    3,126,456.30x = 4,690,202.85 × 1,330,200.30
  4. Step 4: Simplify right side
    3,126,456.30x = 6,238,909,238,130.86
  5. Step 5: Solve for x
    x = 6,238,909,238,130.86/3,126,456.30
  6. Step 6: Final answer
    x = 1,995,521.01

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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.