Home / 1,581,785.85-2,182,837.50-856,627.68

Finding the Fourth Proportional to 1,581,785.85, 2,182,837.50 and 856,627.68

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Solution

The fourth proportional to 1,581,785.85, 2,182,837.50 and 856,627.68 is: 1,182,131.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,785.85 : 2,182,837.50 = 856,627.68 : x
  2. Step 2: Convert to fraction form
    1,581,785.85/2,182,837.50 = 856,627.68/x
  3. Step 3: Cross multiply
    1,581,785.85x = 2,182,837.50 × 856,627.68
  4. Step 4: Simplify right side
    1,581,785.85x = 1,869,879,023,442
  5. Step 5: Solve for x
    x = 1,869,879,023,442/1,581,785.85
  6. Step 6: Final answer
    x = 1,182,131.59

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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.