Home / 2,810,631.32-4,215,956.98-680,716.88

Finding the Fourth Proportional to 2,810,631.32, 4,215,956.98 and 680,716.88

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Solution

The fourth proportional to 2,810,631.32, 4,215,956.98 and 680,716.88 is: 1,021,077.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,631.32 : 4,215,956.98 = 680,716.88 : x
  2. Step 2: Convert to fraction form
    2,810,631.32/4,215,956.98 = 680,716.88/x
  3. Step 3: Cross multiply
    2,810,631.32x = 4,215,956.98 × 680,716.88
  4. Step 4: Simplify right side
    2,810,631.32x = 2,869,873,081,639.82
  5. Step 5: Solve for x
    x = 2,869,873,081,639.82/2,810,631.32
  6. Step 6: Final answer
    x = 1,021,077.74

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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.