Home / 2,072,695.57-3,109,043.40-809,637.46

Finding the Fourth Proportional to 2,072,695.57, 3,109,043.40 and 809,637.46

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Solution

The fourth proportional to 2,072,695.57, 3,109,043.40 and 809,637.46 is: 1,214,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,695.57 : 3,109,043.40 = 809,637.46 : x
  2. Step 2: Convert to fraction form
    2,072,695.57/3,109,043.40 = 809,637.46/x
  3. Step 3: Cross multiply
    2,072,695.57x = 3,109,043.40 × 809,637.46
  4. Step 4: Simplify right side
    2,072,695.57x = 2,517,197,981,812.36
  5. Step 5: Solve for x
    x = 2,517,197,981,812.36/2,072,695.57
  6. Step 6: Final answer
    x = 1,214,456.20

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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.