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Finding the Fourth Proportional to 1,915,392, 2,873,502.72 and 733,440

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Solution

The fourth proportional to 1,915,392, 2,873,502.72 and 733,440 is: 1,100,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,392 : 2,873,502.72 = 733,440 : x
  2. Step 2: Convert to fraction form
    1,915,392/2,873,502.72 = 733,440/x
  3. Step 3: Cross multiply
    1,915,392x = 2,873,502.72 × 733,440
  4. Step 4: Simplify right side
    1,915,392x = 2,107,541,834,956.80
  5. Step 5: Solve for x
    x = 2,107,541,834,956.80/1,915,392
  6. Step 6: Final answer
    x = 1,100,318.80

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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.