Home / 2,865,385.48-4,298,078.20-843,629.72

Finding the Fourth Proportional to 2,865,385.48, 4,298,078.20 and 843,629.72

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Solution

The fourth proportional to 2,865,385.48, 4,298,078.20 and 843,629.72 is: 1,265,444.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865,385.48 : 4,298,078.20 = 843,629.72 : x
  2. Step 2: Convert to fraction form
    2,865,385.48/4,298,078.20 = 843,629.72/x
  3. Step 3: Cross multiply
    2,865,385.48x = 4,298,078.20 × 843,629.72
  4. Step 4: Simplify right side
    2,865,385.48x = 3,625,986,508,404.10
  5. Step 5: Solve for x
    x = 3,625,986,508,404.10/2,865,385.48
  6. Step 6: Final answer
    x = 1,265,444.57

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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.