Home / 3,960,403.76-5,465,211-2,149,528.88

Finding the Fourth Proportional to 3,960,403.76, 5,465,211 and 2,149,528.88

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Solution

The fourth proportional to 3,960,403.76, 5,465,211 and 2,149,528.88 is: 2,966,270.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960,403.76 : 5,465,211 = 2,149,528.88 : x
  2. Step 2: Convert to fraction form
    3,960,403.76/5,465,211 = 2,149,528.88/x
  3. Step 3: Cross multiply
    3,960,403.76x = 5,465,211 × 2,149,528.88
  4. Step 4: Simplify right side
    3,960,403.76x = 11,747,628,879,793.68
  5. Step 5: Solve for x
    x = 11,747,628,879,793.68/3,960,403.76
  6. Step 6: Final answer
    x = 2,966,270.51

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1.5x scale

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.