Home / 2,542,007.80-3,813,011.70-859,111.30

Finding the Fourth Proportional to 2,542,007.80, 3,813,011.70 and 859,111.30

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Solution

The fourth proportional to 2,542,007.80, 3,813,011.70 and 859,111.30 is: 1,288,666.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542,007.80 : 3,813,011.70 = 859,111.30 : x
  2. Step 2: Convert to fraction form
    2,542,007.80/3,813,011.70 = 859,111.30/x
  3. Step 3: Cross multiply
    2,542,007.80x = 3,813,011.70 × 859,111.30
  4. Step 4: Simplify right side
    2,542,007.80x = 3,275,801,438,502.21
  5. Step 5: Solve for x
    x = 3,275,801,438,502.21/2,542,007.80
  6. Step 6: Final answer
    x = 1,288,666.95

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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.