Home / 2,134,207.20-2,945,300.32-1,229,080.80

Finding the Fourth Proportional to 2,134,207.20, 2,945,300.32 and 1,229,080.80

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Solution

The fourth proportional to 2,134,207.20, 2,945,300.32 and 1,229,080.80 is: 1,696,185.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,207.20 : 2,945,300.32 = 1,229,080.80 : x
  2. Step 2: Convert to fraction form
    2,134,207.20/2,945,300.32 = 1,229,080.80/x
  3. Step 3: Cross multiply
    2,134,207.20x = 2,945,300.32 × 1,229,080.80
  4. Step 4: Simplify right side
    2,134,207.20x = 3,620,012,073,545.86
  5. Step 5: Solve for x
    x = 3,620,012,073,545.86/2,134,207.20
  6. Step 6: Final answer
    x = 1,696,185.86

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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.