Home / 4,428,621.60-6,642,932.40-1,234,240.80

Finding the Fourth Proportional to 4,428,621.60, 6,642,932.40 and 1,234,240.80

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Solution

The fourth proportional to 4,428,621.60, 6,642,932.40 and 1,234,240.80 is: 1,851,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428,621.60 : 6,642,932.40 = 1,234,240.80 : x
  2. Step 2: Convert to fraction form
    4,428,621.60/6,642,932.40 = 1,234,240.80/x
  3. Step 3: Cross multiply
    4,428,621.60x = 6,642,932.40 × 1,234,240.80
  4. Step 4: Simplify right side
    4,428,621.60x = 8,198,978,199,721.92
  5. Step 5: Solve for x
    x = 8,198,978,199,721.92/4,428,621.60
  6. Step 6: Final answer
    x = 1,851,361.20

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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.