Home / 1,581,299.46-2,182,194.54-856,147.68

Finding the Fourth Proportional to 1,581,299.46, 2,182,194.54 and 856,147.68

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Solution

The fourth proportional to 1,581,299.46, 2,182,194.54 and 856,147.68 is: 1,181,484.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,299.46 : 2,182,194.54 = 856,147.68 : x
  2. Step 2: Convert to fraction form
    1,581,299.46/2,182,194.54 = 856,147.68/x
  3. Step 3: Cross multiply
    1,581,299.46x = 2,182,194.54 × 856,147.68
  4. Step 4: Simplify right side
    1,581,299.46x = 1,868,280,792,729.67
  5. Step 5: Solve for x
    x = 1,868,280,792,729.67/1,581,299.46
  6. Step 6: Final answer
    x = 1,181,484.49

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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.