Home / 6,279,940.80-9,419,911.20-4,488,350.40

Finding the Fourth Proportional to 6,279,940.80, 9,419,911.20 and 4,488,350.40

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Solution

The fourth proportional to 6,279,940.80, 9,419,911.20 and 4,488,350.40 is: 6,732,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279,940.80 : 9,419,911.20 = 4,488,350.40 : x
  2. Step 2: Convert to fraction form
    6,279,940.80/9,419,911.20 = 4,488,350.40/x
  3. Step 3: Cross multiply
    6,279,940.80x = 9,419,911.20 × 4,488,350.40
  4. Step 4: Simplify right side
    6,279,940.80x = 42,279,862,202,484.48
  5. Step 5: Solve for x
    x = 42,279,862,202,484.48/6,279,940.80
  6. Step 6: Final answer
    x = 6,732,525.60

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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.