Home / 5,385,977.20-8,074,948.20-3,255,612.40

Finding the Fourth Proportional to 5,385,977.20, 8,074,948.20 and 3,255,612.40

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Solution

The fourth proportional to 5,385,977.20, 8,074,948.20 and 3,255,612.40 is: 4,880,990.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385,977.20 : 8,074,948.20 = 3,255,612.40 : x
  2. Step 2: Convert to fraction form
    5,385,977.20/8,074,948.20 = 3,255,612.40/x
  3. Step 3: Cross multiply
    5,385,977.20x = 8,074,948.20 × 3,255,612.40
  4. Step 4: Simplify right side
    5,385,977.20x = 26,288,901,489,277.68
  5. Step 5: Solve for x
    x = 26,288,901,489,277.68/5,385,977.20
  6. Step 6: Final answer
    x = 4,880,990.12

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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.