Home / 2,309,126.65-3,186,500.63-1,276,568.72

Finding the Fourth Proportional to 2,309,126.65, 3,186,500.63 and 1,276,568.72

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Solution

The fourth proportional to 2,309,126.65, 3,186,500.63 and 1,276,568.72 is: 1,761,612.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309,126.65 : 3,186,500.63 = 1,276,568.72 : x
  2. Step 2: Convert to fraction form
    2,309,126.65/3,186,500.63 = 1,276,568.72/x
  3. Step 3: Cross multiply
    2,309,126.65x = 3,186,500.63 × 1,276,568.72
  4. Step 4: Simplify right side
    2,309,126.65x = 4,067,787,017,777.21
  5. Step 5: Solve for x
    x = 4,067,787,017,777.21/2,309,126.65
  6. Step 6: Final answer
    x = 1,761,612.78

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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.