Home / 1,581,098.76-2,181,906.29-855,941.19

Finding the Fourth Proportional to 1,581,098.76, 2,181,906.29 and 855,941.19

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Solution

The fourth proportional to 1,581,098.76, 2,181,906.29 and 855,941.19 is: 1,181,193.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,098.76 : 2,181,906.29 = 855,941.19 : x
  2. Step 2: Convert to fraction form
    1,581,098.76/2,181,906.29 = 855,941.19/x
  3. Step 3: Cross multiply
    1,581,098.76x = 2,181,906.29 × 855,941.19
  4. Step 4: Simplify right side
    1,581,098.76x = 1,867,583,462,051.38
  5. Step 5: Solve for x
    x = 1,867,583,462,051.38/1,581,098.76
  6. Step 6: Final answer
    x = 1,181,193.43

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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.