Home / 4,932,354.20-7,390,658.10-4,129,287.80

Finding the Fourth Proportional to 4,932,354.20, 7,390,658.10 and 4,129,287.80

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Solution

The fourth proportional to 4,932,354.20, 7,390,658.10 and 4,129,287.80 is: 6,187,340.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932,354.20 : 7,390,658.10 = 4,129,287.80 : x
  2. Step 2: Convert to fraction form
    4,932,354.20/7,390,658.10 = 4,129,287.80/x
  3. Step 3: Cross multiply
    4,932,354.20x = 7,390,658.10 × 4,129,287.80
  4. Step 4: Simplify right side
    4,932,354.20x = 30,518,154,326,301.18
  5. Step 5: Solve for x
    x = 30,518,154,326,301.18/4,932,354.20
  6. Step 6: Final answer
    x = 6,187,340.38

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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.