Home / 5,385,979.20-8,074,951.20-3,255,614.40

Finding the Fourth Proportional to 5,385,979.20, 8,074,951.20 and 3,255,614.40

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Solution

The fourth proportional to 5,385,979.20, 8,074,951.20 and 3,255,614.40 is: 4,880,993.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385,979.20 : 8,074,951.20 = 3,255,614.40 : x
  2. Step 2: Convert to fraction form
    5,385,979.20/8,074,951.20 = 3,255,614.40/x
  3. Step 3: Cross multiply
    5,385,979.20x = 8,074,951.20 × 3,255,614.40
  4. Step 4: Simplify right side
    5,385,979.20x = 26,288,927,406,017.28
  5. Step 5: Solve for x
    x = 26,288,927,406,017.28/5,385,979.20
  6. Step 6: Final answer
    x = 4,880,993.12

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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.