Home / 3,188,387.25-4,401,545.22-2,209,068.81

Finding the Fourth Proportional to 3,188,387.25, 4,401,545.22 and 2,209,068.81

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Solution

The fourth proportional to 3,188,387.25, 4,401,545.22 and 2,209,068.81 is: 3,049,603.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,387.25 : 4,401,545.22 = 2,209,068.81 : x
  2. Step 2: Convert to fraction form
    3,188,387.25/4,401,545.22 = 2,209,068.81/x
  3. Step 3: Cross multiply
    3,188,387.25x = 4,401,545.22 × 2,209,068.81
  4. Step 4: Simplify right side
    3,188,387.25x = 9,723,316,261,306.59
  5. Step 5: Solve for x
    x = 9,723,316,261,306.59/3,188,387.25
  6. Step 6: Final answer
    x = 3,049,603.29

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1.5x scale

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.