Home / 5,388,400.80-8,082,601.20-4,803,815.70

Finding the Fourth Proportional to 5,388,400.80, 8,082,601.20 and 4,803,815.70

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Solution

The fourth proportional to 5,388,400.80, 8,082,601.20 and 4,803,815.70 is: 7,205,723.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,400.80 : 8,082,601.20 = 4,803,815.70 : x
  2. Step 2: Convert to fraction form
    5,388,400.80/8,082,601.20 = 4,803,815.70/x
  3. Step 3: Cross multiply
    5,388,400.80x = 8,082,601.20 × 4,803,815.70
  4. Step 4: Simplify right side
    5,388,400.80x = 38,827,326,541,398.84
  5. Step 5: Solve for x
    x = 38,827,326,541,398.84/5,388,400.80
  6. Step 6: Final answer
    x = 7,205,723.55

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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.