Home / 2,281,085.28-3,147,996.96-1,262,489.76

Finding the Fourth Proportional to 2,281,085.28, 3,147,996.96 and 1,262,489.76

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Solution

The fourth proportional to 2,281,085.28, 3,147,996.96 and 1,262,489.76 is: 1,742,290.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281,085.28 : 3,147,996.96 = 1,262,489.76 : x
  2. Step 2: Convert to fraction form
    2,281,085.28/3,147,996.96 = 1,262,489.76/x
  3. Step 3: Cross multiply
    2,281,085.28x = 3,147,996.96 × 1,262,489.76
  4. Step 4: Simplify right side
    2,281,085.28x = 3,974,313,926,511.13
  5. Step 5: Solve for x
    x = 3,974,313,926,511.13/2,281,085.28
  6. Step 6: Final answer
    x = 1,742,290.81

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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.