Home / 4,086,145.86-5,639,426.36-2,640,049.52

Finding the Fourth Proportional to 4,086,145.86, 5,639,426.36 and 2,640,049.52

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Solution

The fourth proportional to 4,086,145.86, 5,639,426.36 and 2,640,049.52 is: 3,643,620.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086,145.86 : 5,639,426.36 = 2,640,049.52 : x
  2. Step 2: Convert to fraction form
    4,086,145.86/5,639,426.36 = 2,640,049.52/x
  3. Step 3: Cross multiply
    4,086,145.86x = 5,639,426.36 × 2,640,049.52
  4. Step 4: Simplify right side
    4,086,145.86x = 14,888,364,813,395.97
  5. Step 5: Solve for x
    x = 14,888,364,813,395.97/4,086,145.86
  6. Step 6: Final answer
    x = 3,643,620.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.