Home / 3,900,097.60-5,382,407.28-2,181,376.96

Finding the Fourth Proportional to 3,900,097.60, 5,382,407.28 and 2,181,376.96

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Solution

The fourth proportional to 3,900,097.60, 5,382,407.28 and 2,181,376.96 is: 3,010,452.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900,097.60 : 5,382,407.28 = 2,181,376.96 : x
  2. Step 2: Convert to fraction form
    3,900,097.60/5,382,407.28 = 2,181,376.96/x
  3. Step 3: Cross multiply
    3,900,097.60x = 5,382,407.28 × 2,181,376.96
  4. Step 4: Simplify right side
    3,900,097.60x = 11,741,059,229,928.27
  5. Step 5: Solve for x
    x = 11,741,059,229,928.27/3,900,097.60
  6. Step 6: Final answer
    x = 3,010,452.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.