Home / 6,979,622.04-9,631,740.30-3,882,078.77

Finding the Fourth Proportional to 6,979,622.04, 9,631,740.30 and 3,882,078.77

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Solution

The fourth proportional to 6,979,622.04, 9,631,740.30 and 3,882,078.77 is: 5,357,191.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979,622.04 : 9,631,740.30 = 3,882,078.77 : x
  2. Step 2: Convert to fraction form
    6,979,622.04/9,631,740.30 = 3,882,078.77/x
  3. Step 3: Cross multiply
    6,979,622.04x = 9,631,740.30 × 3,882,078.77
  4. Step 4: Simplify right side
    6,979,622.04x = 37,391,174,524,743.76
  5. Step 5: Solve for x
    x = 37,391,174,524,743.76/6,979,622.04
  6. Step 6: Final answer
    x = 5,357,191.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.