Home / 3,308,625.20-4,962,937.80-912,839.60

Finding the Fourth Proportional to 3,308,625.20, 4,962,937.80 and 912,839.60

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Solution

The fourth proportional to 3,308,625.20, 4,962,937.80 and 912,839.60 is: 1,369,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308,625.20 : 4,962,937.80 = 912,839.60 : x
  2. Step 2: Convert to fraction form
    3,308,625.20/4,962,937.80 = 912,839.60/x
  3. Step 3: Cross multiply
    3,308,625.20x = 4,962,937.80 × 912,839.60
  4. Step 4: Simplify right side
    3,308,625.20x = 4,530,366,156,176.88
  5. Step 5: Solve for x
    x = 4,530,366,156,176.88/3,308,625.20
  6. Step 6: Final answer
    x = 1,369,259.40

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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.