Home / 3,947,234.20-5,920,851.30-3,909,909.40

Finding the Fourth Proportional to 3,947,234.20, 5,920,851.30 and 3,909,909.40

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Solution

The fourth proportional to 3,947,234.20, 5,920,851.30 and 3,909,909.40 is: 5,864,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,234.20 : 5,920,851.30 = 3,909,909.40 : x
  2. Step 2: Convert to fraction form
    3,947,234.20/5,920,851.30 = 3,909,909.40/x
  3. Step 3: Cross multiply
    3,947,234.20x = 5,920,851.30 × 3,909,909.40
  4. Step 4: Simplify right side
    3,947,234.20x = 23,149,992,153,872.22
  5. Step 5: Solve for x
    x = 23,149,992,153,872.22/3,947,234.20
  6. Step 6: Final answer
    x = 5,864,864.10

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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.