Home / 4,678,756.30-7,018,134.45-4,129,600.60

Finding the Fourth Proportional to 4,678,756.30, 7,018,134.45 and 4,129,600.60

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Solution

The fourth proportional to 4,678,756.30, 7,018,134.45 and 4,129,600.60 is: 6,194,400.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,756.30 : 7,018,134.45 = 4,129,600.60 : x
  2. Step 2: Convert to fraction form
    4,678,756.30/7,018,134.45 = 4,129,600.60/x
  3. Step 3: Cross multiply
    4,678,756.30x = 7,018,134.45 × 4,129,600.60
  4. Step 4: Simplify right side
    4,678,756.30x = 28,982,092,235,600.67
  5. Step 5: Solve for x
    x = 28,982,092,235,600.67/4,678,756.30
  6. Step 6: Final answer
    x = 6,194,400.90

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Similar ratio
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1.5x scale

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.