Home / 6,921,331.28-10,376,376.30-2,880,843.49

Finding the Fourth Proportional to 6,921,331.28, 10,376,376.30 and 2,880,843.49

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Solution

The fourth proportional to 6,921,331.28, 10,376,376.30 and 2,880,843.49 is: 4,318,925.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921,331.28 : 10,376,376.30 = 2,880,843.49 : x
  2. Step 2: Convert to fraction form
    6,921,331.28/10,376,376.30 = 2,880,843.49/x
  3. Step 3: Cross multiply
    6,921,331.28x = 10,376,376.30 × 2,880,843.49
  4. Step 4: Simplify right side
    6,921,331.28x = 29,892,716,087,704.35
  5. Step 5: Solve for x
    x = 29,892,716,087,704.35/6,921,331.28
  6. Step 6: Final answer
    x = 4,318,925.78

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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.