Home / 5,217,309.20-7,816,632.60-3,220,432.40

Finding the Fourth Proportional to 5,217,309.20, 7,816,632.60 and 3,220,432.40

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Solution

The fourth proportional to 5,217,309.20, 7,816,632.60 and 3,220,432.40 is: 4,824,888.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217,309.20 : 7,816,632.60 = 3,220,432.40 : x
  2. Step 2: Convert to fraction form
    5,217,309.20/7,816,632.60 = 3,220,432.40/x
  3. Step 3: Cross multiply
    5,217,309.20x = 7,816,632.60 × 3,220,432.40
  4. Step 4: Simplify right side
    5,217,309.20x = 25,172,936,883,936.24
  5. Step 5: Solve for x
    x = 25,172,936,883,936.24/5,217,309.20
  6. Step 6: Final answer
    x = 4,824,888.83

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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.