Home / 2,187,519.30-3,280,294.80-839,233.80

Finding the Fourth Proportional to 2,187,519.30, 3,280,294.80 and 839,233.80

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Solution

The fourth proportional to 2,187,519.30, 3,280,294.80 and 839,233.80 is: 1,258,473.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,519.30 : 3,280,294.80 = 839,233.80 : x
  2. Step 2: Convert to fraction form
    2,187,519.30/3,280,294.80 = 839,233.80/x
  3. Step 3: Cross multiply
    2,187,519.30x = 3,280,294.80 × 839,233.80
  4. Step 4: Simplify right side
    2,187,519.30x = 2,752,934,270,124.24
  5. Step 5: Solve for x
    x = 2,752,934,270,124.24/2,187,519.30
  6. Step 6: Final answer
    x = 1,258,473.13

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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.