Home / 2,275,921.76-3,140,989.31-1,243,586.53

Finding the Fourth Proportional to 2,275,921.76, 3,140,989.31 and 1,243,586.53

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Solution

The fourth proportional to 2,275,921.76, 3,140,989.31 and 1,243,586.53 is: 1,716,268.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275,921.76 : 3,140,989.31 = 1,243,586.53 : x
  2. Step 2: Convert to fraction form
    2,275,921.76/3,140,989.31 = 1,243,586.53/x
  3. Step 3: Cross multiply
    2,275,921.76x = 3,140,989.31 × 1,243,586.53
  4. Step 4: Simplify right side
    2,275,921.76x = 3,906,091,996,789.99
  5. Step 5: Solve for x
    x = 3,906,091,996,789.99/2,275,921.76
  6. Step 6: Final answer
    x = 1,716,268.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.