Home / 2,275,920.76-3,140,987.93-1,243,585.53

Finding the Fourth Proportional to 2,275,920.76, 3,140,987.93 and 1,243,585.53

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Solution

The fourth proportional to 2,275,920.76, 3,140,987.93 and 1,243,585.53 is: 1,716,266.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275,920.76 : 3,140,987.93 = 1,243,585.53 : x
  2. Step 2: Convert to fraction form
    2,275,920.76/3,140,987.93 = 1,243,585.53/x
  3. Step 3: Cross multiply
    2,275,920.76x = 3,140,987.93 × 1,243,585.53
  4. Step 4: Simplify right side
    2,275,920.76x = 3,906,087,146,932.20
  5. Step 5: Solve for x
    x = 3,906,087,146,932.20/2,275,920.76
  6. Step 6: Final answer
    x = 1,716,266.76

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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.