Home / 2,851,729.20-4,277,597.04-857,185.20

Finding the Fourth Proportional to 2,851,729.20, 4,277,597.04 and 857,185.20

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Solution

The fourth proportional to 2,851,729.20, 4,277,597.04 and 857,185.20 is: 1,285,778.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851,729.20 : 4,277,597.04 = 857,185.20 : x
  2. Step 2: Convert to fraction form
    2,851,729.20/4,277,597.04 = 857,185.20/x
  3. Step 3: Cross multiply
    2,851,729.20x = 4,277,597.04 × 857,185.20
  4. Step 4: Simplify right side
    2,851,729.20x = 3,666,692,874,251.81
  5. Step 5: Solve for x
    x = 3,666,692,874,251.81/2,851,729.20
  6. Step 6: Final answer
    x = 1,285,778.77

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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.