Home / 2,610,621.12-3,915,931.68-927,791.04

Finding the Fourth Proportional to 2,610,621.12, 3,915,931.68 and 927,791.04

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Solution

The fourth proportional to 2,610,621.12, 3,915,931.68 and 927,791.04 is: 1,391,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610,621.12 : 3,915,931.68 = 927,791.04 : x
  2. Step 2: Convert to fraction form
    2,610,621.12/3,915,931.68 = 927,791.04/x
  3. Step 3: Cross multiply
    2,610,621.12x = 3,915,931.68 × 927,791.04
  4. Step 4: Simplify right side
    2,610,621.12x = 3,633,166,325,956.15
  5. Step 5: Solve for x
    x = 3,633,166,325,956.15/2,610,621.12
  6. Step 6: Final answer
    x = 1,391,686.56

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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.