Home / 3,984,403.20-5,976,604.80-992,587.20

Finding the Fourth Proportional to 3,984,403.20, 5,976,604.80 and 992,587.20

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Solution

The fourth proportional to 3,984,403.20, 5,976,604.80 and 992,587.20 is: 1,488,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984,403.20 : 5,976,604.80 = 992,587.20 : x
  2. Step 2: Convert to fraction form
    3,984,403.20/5,976,604.80 = 992,587.20/x
  3. Step 3: Cross multiply
    3,984,403.20x = 5,976,604.80 × 992,587.20
  4. Step 4: Simplify right side
    3,984,403.20x = 5,932,301,423,938.56
  5. Step 5: Solve for x
    x = 5,932,301,423,938.56/3,984,403.20
  6. Step 6: Final answer
    x = 1,488,880.80

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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.