Home / 2,103,802.20-3,155,703.30-981,984.60

Finding the Fourth Proportional to 2,103,802.20, 3,155,703.30 and 981,984.60

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Solution

The fourth proportional to 2,103,802.20, 3,155,703.30 and 981,984.60 is: 1,472,976.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,802.20 : 3,155,703.30 = 981,984.60 : x
  2. Step 2: Convert to fraction form
    2,103,802.20/3,155,703.30 = 981,984.60/x
  3. Step 3: Cross multiply
    2,103,802.20x = 3,155,703.30 × 981,984.60
  4. Step 4: Simplify right side
    2,103,802.20x = 3,098,852,042,769.18
  5. Step 5: Solve for x
    x = 3,098,852,042,769.18/2,103,802.20
  6. Step 6: Final answer
    x = 1,472,976.90

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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.