Home / 1,932,387.28-2,666,443.44-1,072,781.46

Finding the Fourth Proportional to 1,932,387.28, 2,666,443.44 and 1,072,781.46

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Solution

The fourth proportional to 1,932,387.28, 2,666,443.44 and 1,072,781.46 is: 1,480,299.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932,387.28 : 2,666,443.44 = 1,072,781.46 : x
  2. Step 2: Convert to fraction form
    1,932,387.28/2,666,443.44 = 1,072,781.46/x
  3. Step 3: Cross multiply
    1,932,387.28x = 2,666,443.44 × 1,072,781.46
  4. Step 4: Simplify right side
    1,932,387.28x = 2,860,511,086,570.62
  5. Step 5: Solve for x
    x = 2,860,511,086,570.62/1,932,387.28
  6. Step 6: Final answer
    x = 1,480,299.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.