Home / 6,381,042.60-9,572,438.70-2,120,766.60

Finding the Fourth Proportional to 6,381,042.60, 9,572,438.70 and 2,120,766.60

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Solution

The fourth proportional to 6,381,042.60, 9,572,438.70 and 2,120,766.60 is: 3,181,440.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381,042.60 : 9,572,438.70 = 2,120,766.60 : x
  2. Step 2: Convert to fraction form
    6,381,042.60/9,572,438.70 = 2,120,766.60/x
  3. Step 3: Cross multiply
    6,381,042.60x = 9,572,438.70 × 2,120,766.60
  4. Step 4: Simplify right side
    6,381,042.60x = 20,300,908,275,507.42
  5. Step 5: Solve for x
    x = 20,300,908,275,507.42/6,381,042.60
  6. Step 6: Final answer
    x = 3,181,440.64

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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.