Home / 6,951,920.64-10,428,551.28-2,158,322.76

Finding the Fourth Proportional to 6,951,920.64, 10,428,551.28 and 2,158,322.76

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Solution

The fourth proportional to 6,951,920.64, 10,428,551.28 and 2,158,322.76 is: 3,237,692.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,951,920.64 : 10,428,551.28 = 2,158,322.76 : x
  2. Step 2: Convert to fraction form
    6,951,920.64/10,428,551.28 = 2,158,322.76/x
  3. Step 3: Cross multiply
    6,951,920.64x = 10,428,551.28 × 2,158,322.76
  4. Step 4: Simplify right side
    6,951,920.64x = 22,508,179,581,451.13
  5. Step 5: Solve for x
    x = 22,508,179,581,451.13/6,951,920.64
  6. Step 6: Final answer
    x = 3,237,692.25

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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.