Home / 3,292,815.34-4,939,223-2,170,621.90

Finding the Fourth Proportional to 3,292,815.34, 4,939,223 and 2,170,621.90

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Solution

The fourth proportional to 3,292,815.34, 4,939,223 and 2,170,621.90 is: 3,255,932.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292,815.34 : 4,939,223 = 2,170,621.90 : x
  2. Step 2: Convert to fraction form
    3,292,815.34/4,939,223 = 2,170,621.90/x
  3. Step 3: Cross multiply
    3,292,815.34x = 4,939,223 × 2,170,621.90
  4. Step 4: Simplify right side
    3,292,815.34x = 10,721,185,612,783.70
  5. Step 5: Solve for x
    x = 10,721,185,612,783.70/3,292,815.34
  6. Step 6: Final answer
    x = 3,255,932.84

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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.