Home / 5,385,943.08-8,071,934.45-2,187,353.52

Finding the Fourth Proportional to 5,385,943.08, 8,071,934.45 and 2,187,353.52

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Solution

The fourth proportional to 5,385,943.08, 8,071,934.45 and 2,187,353.52 is: 3,278,195.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385,943.08 : 8,071,934.45 = 2,187,353.52 : x
  2. Step 2: Convert to fraction form
    5,385,943.08/8,071,934.45 = 2,187,353.52/x
  3. Step 3: Cross multiply
    5,385,943.08x = 8,071,934.45 × 2,187,353.52
  4. Step 4: Simplify right side
    5,385,943.08x = 17,656,174,221,480.00
  5. Step 5: Solve for x
    x = 17,656,174,221,480.00/5,385,943.08
  6. Step 6: Final answer
    x = 3,278,195.47

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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.