Home / 2,659,513.20-3,986,677.80-1,521,106.80

Finding the Fourth Proportional to 2,659,513.20, 3,986,677.80 and 1,521,106.80

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Solution

The fourth proportional to 2,659,513.20, 3,986,677.80 and 1,521,106.80 is: 2,280,177.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,513.20 : 3,986,677.80 = 1,521,106.80 : x
  2. Step 2: Convert to fraction form
    2,659,513.20/3,986,677.80 = 1,521,106.80/x
  3. Step 3: Cross multiply
    2,659,513.20x = 3,986,677.80 × 1,521,106.80
  4. Step 4: Simplify right side
    2,659,513.20x = 6,064,162,710,989.04
  5. Step 5: Solve for x
    x = 6,064,162,710,989.04/2,659,513.20
  6. Step 6: Final answer
    x = 2,280,177.71

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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.