Home / 1,581,396.22-2,182,327.80-856,244.43

Finding the Fourth Proportional to 1,581,396.22, 2,182,327.80 and 856,244.43

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Solution

The fourth proportional to 1,581,396.22, 2,182,327.80 and 856,244.43 is: 1,181,617.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,396.22 : 2,182,327.80 = 856,244.43 : x
  2. Step 2: Convert to fraction form
    1,581,396.22/2,182,327.80 = 856,244.43/x
  3. Step 3: Cross multiply
    1,581,396.22x = 2,182,327.80 × 856,244.43
  4. Step 4: Simplify right side
    1,581,396.22x = 1,868,606,012,272.52
  5. Step 5: Solve for x
    x = 1,868,606,012,272.52/1,581,396.22
  6. Step 6: Final answer
    x = 1,181,617.86

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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.