Home / 6,428,179.10-8,870,996.04-3,527,839.82

Finding the Fourth Proportional to 6,428,179.10, 8,870,996.04 and 3,527,839.82

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Solution

The fourth proportional to 6,428,179.10, 8,870,996.04 and 3,527,839.82 is: 4,868,478.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,179.10 : 8,870,996.04 = 3,527,839.82 : x
  2. Step 2: Convert to fraction form
    6,428,179.10/8,870,996.04 = 3,527,839.82/x
  3. Step 3: Cross multiply
    6,428,179.10x = 8,870,996.04 × 3,527,839.82
  4. Step 4: Simplify right side
    6,428,179.10x = 31,295,453,072,974.31
  5. Step 5: Solve for x
    x = 31,295,453,072,974.31/6,428,179.10
  6. Step 6: Final answer
    x = 4,868,478.71

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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.