Home / 1,965,276.84-2,947,882.28-885,188.64

Finding the Fourth Proportional to 1,965,276.84, 2,947,882.28 and 885,188.64

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Solution

The fourth proportional to 1,965,276.84, 2,947,882.28 and 885,188.64 is: 1,327,768.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,276.84 : 2,947,882.28 = 885,188.64 : x
  2. Step 2: Convert to fraction form
    1,965,276.84/2,947,882.28 = 885,188.64/x
  3. Step 3: Cross multiply
    1,965,276.84x = 2,947,882.28 × 885,188.64
  4. Step 4: Simplify right side
    1,965,276.84x = 2,609,431,906,313.30
  5. Step 5: Solve for x
    x = 2,609,431,906,313.30/1,965,276.84
  6. Step 6: Final answer
    x = 1,327,768.11

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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.