Home / 5,217,287.20-7,816,599.60-3,220,410.40

Finding the Fourth Proportional to 5,217,287.20, 7,816,599.60 and 3,220,410.40

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Solution

The fourth proportional to 5,217,287.20, 7,816,599.60 and 3,220,410.40 is: 4,824,855.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217,287.20 : 7,816,599.60 = 3,220,410.40 : x
  2. Step 2: Convert to fraction form
    5,217,287.20/7,816,599.60 = 3,220,410.40/x
  3. Step 3: Cross multiply
    5,217,287.20x = 7,816,599.60 × 3,220,410.40
  4. Step 4: Simplify right side
    5,217,287.20x = 25,172,658,644,475.84
  5. Step 5: Solve for x
    x = 25,172,658,644,475.84/5,217,287.20
  6. Step 6: Final answer
    x = 4,824,855.85

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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.