Home / 5,320,220.40-7,981,367.40-2,287,580.40

Finding the Fourth Proportional to 5,320,220.40, 7,981,367.40 and 2,287,580.40

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Solution

The fourth proportional to 5,320,220.40, 7,981,367.40 and 2,287,580.40 is: 3,431,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320,220.40 : 7,981,367.40 = 2,287,580.40 : x
  2. Step 2: Convert to fraction form
    5,320,220.40/7,981,367.40 = 2,287,580.40/x
  3. Step 3: Cross multiply
    5,320,220.40x = 7,981,367.40 × 2,287,580.40
  4. Step 4: Simplify right side
    5,320,220.40x = 18,258,019,629,438.96
  5. Step 5: Solve for x
    x = 18,258,019,629,438.96/5,320,220.40
  6. Step 6: Final answer
    x = 3,431,816.40

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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.