Home / 2,760,821.28-4,142,228.40-963,969.48

Finding the Fourth Proportional to 2,760,821.28, 4,142,228.40 and 963,969.48

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Solution

The fourth proportional to 2,760,821.28, 4,142,228.40 and 963,969.48 is: 1,446,302.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760,821.28 : 4,142,228.40 = 963,969.48 : x
  2. Step 2: Convert to fraction form
    2,760,821.28/4,142,228.40 = 963,969.48/x
  3. Step 3: Cross multiply
    2,760,821.28x = 4,142,228.40 × 963,969.48
  4. Step 4: Simplify right side
    2,760,821.28x = 3,992,981,756,789.23
  5. Step 5: Solve for x
    x = 3,992,981,756,789.23/2,760,821.28
  6. Step 6: Final answer
    x = 1,446,302.15

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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.