Home / 2,157,496.80-3,236,245.20-661,394.40

Finding the Fourth Proportional to 2,157,496.80, 3,236,245.20 and 661,394.40

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Solution

The fourth proportional to 2,157,496.80, 3,236,245.20 and 661,394.40 is: 992,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,496.80 : 3,236,245.20 = 661,394.40 : x
  2. Step 2: Convert to fraction form
    2,157,496.80/3,236,245.20 = 661,394.40/x
  3. Step 3: Cross multiply
    2,157,496.80x = 3,236,245.20 × 661,394.40
  4. Step 4: Simplify right side
    2,157,496.80x = 2,140,434,452,306.88
  5. Step 5: Solve for x
    x = 2,140,434,452,306.88/2,157,496.80
  6. Step 6: Final answer
    x = 992,091.60

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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.