Home / 2,639,023.20-3,958,016.40-866,095.20

Finding the Fourth Proportional to 2,639,023.20, 3,958,016.40 and 866,095.20

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Solution

The fourth proportional to 2,639,023.20, 3,958,016.40 and 866,095.20 is: 1,298,972.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,023.20 : 3,958,016.40 = 866,095.20 : x
  2. Step 2: Convert to fraction form
    2,639,023.20/3,958,016.40 = 866,095.20/x
  3. Step 3: Cross multiply
    2,639,023.20x = 3,958,016.40 × 866,095.20
  4. Step 4: Simplify right side
    2,639,023.20x = 3,428,019,005,561.28
  5. Step 5: Solve for x
    x = 3,428,019,005,561.28/2,639,023.20
  6. Step 6: Final answer
    x = 1,298,972.67

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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.