Home / 6,380,452.20-9,577,676.70-3,986,999.40

Finding the Fourth Proportional to 6,380,452.20, 9,577,676.70 and 3,986,999.40

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Solution

The fourth proportional to 6,380,452.20, 9,577,676.70 and 3,986,999.40 is: 5,984,872.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,380,452.20 : 9,577,676.70 = 3,986,999.40 : x
  2. Step 2: Convert to fraction form
    6,380,452.20/9,577,676.70 = 3,986,999.40/x
  3. Step 3: Cross multiply
    6,380,452.20x = 9,577,676.70 × 3,986,999.40
  4. Step 4: Simplify right side
    6,380,452.20x = 38,186,191,256,293.98
  5. Step 5: Solve for x
    x = 38,186,191,256,293.98/6,380,452.20
  6. Step 6: Final answer
    x = 5,984,872.24

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1.5x scale

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.