Home / 2,660,300.20-3,989,672.70-954,245.80

Finding the Fourth Proportional to 2,660,300.20, 3,989,672.70 and 954,245.80

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Solution

The fourth proportional to 2,660,300.20, 3,989,672.70 and 954,245.80 is: 1,431,089.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,300.20 : 3,989,672.70 = 954,245.80 : x
  2. Step 2: Convert to fraction form
    2,660,300.20/3,989,672.70 = 954,245.80/x
  3. Step 3: Cross multiply
    2,660,300.20x = 3,989,672.70 × 954,245.80
  4. Step 4: Simplify right side
    2,660,300.20x = 3,807,128,417,349.66
  5. Step 5: Solve for x
    x = 3,807,128,417,349.66/2,660,300.20
  6. Step 6: Final answer
    x = 1,431,089.78

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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.