Home / 2,561,632.20-3,842,643.06-764,375.40

Finding the Fourth Proportional to 2,561,632.20, 3,842,643.06 and 764,375.40

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Solution

The fourth proportional to 2,561,632.20, 3,842,643.06 and 764,375.40 is: 1,146,621.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561,632.20 : 3,842,643.06 = 764,375.40 : x
  2. Step 2: Convert to fraction form
    2,561,632.20/3,842,643.06 = 764,375.40/x
  3. Step 3: Cross multiply
    2,561,632.20x = 3,842,643.06 × 764,375.40
  4. Step 4: Simplify right side
    2,561,632.20x = 2,937,221,826,044.72
  5. Step 5: Solve for x
    x = 2,937,221,826,044.72/2,561,632.20
  6. Step 6: Final answer
    x = 1,146,621.22

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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.