Home / 3,287,048.96-4,930,821.30-981,359.54

Finding the Fourth Proportional to 3,287,048.96, 4,930,821.30 and 981,359.54

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Solution

The fourth proportional to 3,287,048.96, 4,930,821.30 and 981,359.54 is: 1,472,113.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287,048.96 : 4,930,821.30 = 981,359.54 : x
  2. Step 2: Convert to fraction form
    3,287,048.96/4,930,821.30 = 981,359.54/x
  3. Step 3: Cross multiply
    3,287,048.96x = 4,930,821.30 × 981,359.54
  4. Step 4: Simplify right side
    3,287,048.96x = 4,838,908,522,790.20
  5. Step 5: Solve for x
    x = 4,838,908,522,790.20/3,287,048.96
  6. Step 6: Final answer
    x = 1,472,113.31

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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.