Home / 2,182,639.80-3,275,514.90-921,372.60

Finding the Fourth Proportional to 2,182,639.80, 3,275,514.90 and 921,372.60

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Solution

The fourth proportional to 2,182,639.80, 3,275,514.90 and 921,372.60 is: 1,382,715.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,639.80 : 3,275,514.90 = 921,372.60 : x
  2. Step 2: Convert to fraction form
    2,182,639.80/3,275,514.90 = 921,372.60/x
  3. Step 3: Cross multiply
    2,182,639.80x = 3,275,514.90 × 921,372.60
  4. Step 4: Simplify right side
    2,182,639.80x = 3,017,969,679,751.74
  5. Step 5: Solve for x
    x = 3,017,969,679,751.74/2,182,639.80
  6. Step 6: Final answer
    x = 1,382,715.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.