Home / 1,581,320.10-2,182,195.14-856,161.96

Finding the Fourth Proportional to 1,581,320.10, 2,182,195.14 and 856,161.96

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Solution

The fourth proportional to 1,581,320.10, 2,182,195.14 and 856,161.96 is: 1,181,489.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,320.10 : 2,182,195.14 = 856,161.96 : x
  2. Step 2: Convert to fraction form
    1,581,320.10/2,182,195.14 = 856,161.96/x
  3. Step 3: Cross multiply
    1,581,320.10x = 2,182,195.14 × 856,161.96
  4. Step 4: Simplify right side
    1,581,320.10x = 1,868,312,468,164.87
  5. Step 5: Solve for x
    x = 1,868,312,468,164.87/1,581,320.10
  6. Step 6: Final answer
    x = 1,181,489.10

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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.