Home / 1,642,682.16-2,266,877.28-917,540.04

Finding the Fourth Proportional to 1,642,682.16, 2,266,877.28 and 917,540.04

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Solution

The fourth proportional to 1,642,682.16, 2,266,877.28 and 917,540.04 is: 1,266,191.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,682.16 : 2,266,877.28 = 917,540.04 : x
  2. Step 2: Convert to fraction form
    1,642,682.16/2,266,877.28 = 917,540.04/x
  3. Step 3: Cross multiply
    1,642,682.16x = 2,266,877.28 × 917,540.04
  4. Step 4: Simplify right side
    1,642,682.16x = 2,079,950,670,166.29
  5. Step 5: Solve for x
    x = 2,079,950,670,166.29/1,642,682.16
  6. Step 6: Final answer
    x = 1,266,191.79

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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.