Home / 2,292,172.20-3,438,372.50-872,338.32

Finding the Fourth Proportional to 2,292,172.20, 3,438,372.50 and 872,338.32

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Solution

The fourth proportional to 2,292,172.20, 3,438,372.50 and 872,338.32 is: 1,308,550.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292,172.20 : 3,438,372.50 = 872,338.32 : x
  2. Step 2: Convert to fraction form
    2,292,172.20/3,438,372.50 = 872,338.32/x
  3. Step 3: Cross multiply
    2,292,172.20x = 3,438,372.50 × 872,338.32
  4. Step 4: Simplify right side
    2,292,172.20x = 2,999,424,072,992.34
  5. Step 5: Solve for x
    x = 2,999,424,072,992.34/2,292,172.20
  6. Step 6: Final answer
    x = 1,308,550.94

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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.