Home / 1,581,033.32-2,181,823.46-855,880.85

Finding the Fourth Proportional to 1,581,033.32, 2,181,823.46 and 855,880.85

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Solution

The fourth proportional to 1,581,033.32, 2,181,823.46 and 855,880.85 is: 1,181,114.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,033.32 : 2,181,823.46 = 855,880.85 : x
  2. Step 2: Convert to fraction form
    1,581,033.32/2,181,823.46 = 855,880.85/x
  3. Step 3: Cross multiply
    1,581,033.32x = 2,181,823.46 × 855,880.85
  4. Step 4: Simplify right side
    1,581,033.32x = 1,867,380,902,306.22
  5. Step 5: Solve for x
    x = 1,867,380,902,306.22/1,581,033.32
  6. Step 6: Final answer
    x = 1,181,114.20

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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.