Home / 2,632,329.60-3,945,772.80-1,431,715.20

Finding the Fourth Proportional to 2,632,329.60, 3,945,772.80 and 1,431,715.20

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Solution

The fourth proportional to 2,632,329.60, 3,945,772.80 and 1,431,715.20 is: 2,146,092.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632,329.60 : 3,945,772.80 = 1,431,715.20 : x
  2. Step 2: Convert to fraction form
    2,632,329.60/3,945,772.80 = 1,431,715.20/x
  3. Step 3: Cross multiply
    2,632,329.60x = 3,945,772.80 × 1,431,715.20
  4. Step 4: Simplify right side
    2,632,329.60x = 5,649,222,893,506.56
  5. Step 5: Solve for x
    x = 5,649,222,893,506.56/2,632,329.60
  6. Step 6: Final answer
    x = 2,146,092.53

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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.