Home / 3,990,517.13-5,506,914.24-2,179,681.13

Finding the Fourth Proportional to 3,990,517.13, 5,506,914.24 and 2,179,681.13

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Solution

The fourth proportional to 3,990,517.13, 5,506,914.24 and 2,179,681.13 is: 3,007,960.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990,517.13 : 5,506,914.24 = 2,179,681.13 : x
  2. Step 2: Convert to fraction form
    3,990,517.13/5,506,914.24 = 2,179,681.13/x
  3. Step 3: Cross multiply
    3,990,517.13x = 5,506,914.24 × 2,179,681.13
  4. Step 4: Simplify right side
    3,990,517.13x = 12,003,317,053,456.29
  5. Step 5: Solve for x
    x = 12,003,317,053,456.29/3,990,517.13
  6. Step 6: Final answer
    x = 3,007,960.29

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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.