Home / 2,643,957.68-3,965,228.04-1,147,694

Finding the Fourth Proportional to 2,643,957.68, 3,965,228.04 and 1,147,694

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Solution

The fourth proportional to 2,643,957.68, 3,965,228.04 and 1,147,694 is: 1,721,233.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,957.68 : 3,965,228.04 = 1,147,694 : x
  2. Step 2: Convert to fraction form
    2,643,957.68/3,965,228.04 = 1,147,694/x
  3. Step 3: Cross multiply
    2,643,957.68x = 3,965,228.04 × 1,147,694
  4. Step 4: Simplify right side
    2,643,957.68x = 4,550,868,430,139.76
  5. Step 5: Solve for x
    x = 4,550,868,430,139.76/2,643,957.68
  6. Step 6: Final answer
    x = 1,721,233.46

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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.