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Finding the Fourth Proportional to 1,891,614.78, 2,837,392.07 and 880,171.02

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Solution

The fourth proportional to 1,891,614.78, 2,837,392.07 and 880,171.02 is: 1,320,242.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,614.78 : 2,837,392.07 = 880,171.02 : x
  2. Step 2: Convert to fraction form
    1,891,614.78/2,837,392.07 = 880,171.02/x
  3. Step 3: Cross multiply
    1,891,614.78x = 2,837,392.07 × 880,171.02
  4. Step 4: Simplify right side
    1,891,614.78x = 2,497,390,267,990.96
  5. Step 5: Solve for x
    x = 2,497,390,267,990.96/1,891,614.78
  6. Step 6: Final answer
    x = 1,320,242.52

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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.