Home / 4,872,734.60-7,309,101.90-3,986,999.60

Finding the Fourth Proportional to 4,872,734.60, 7,309,101.90 and 3,986,999.60

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Solution

The fourth proportional to 4,872,734.60, 7,309,101.90 and 3,986,999.60 is: 5,980,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872,734.60 : 7,309,101.90 = 3,986,999.60 : x
  2. Step 2: Convert to fraction form
    4,872,734.60/7,309,101.90 = 3,986,999.60/x
  3. Step 3: Cross multiply
    4,872,734.60x = 7,309,101.90 × 3,986,999.60
  4. Step 4: Simplify right side
    4,872,734.60x = 29,141,386,351,659.24
  5. Step 5: Solve for x
    x = 29,141,386,351,659.24/4,872,734.60
  6. Step 6: Final answer
    x = 5,980,499.40

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Similar ratio
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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.