Home / 2,281,285.10-3,147,843.92-1,262,687.42

Finding the Fourth Proportional to 2,281,285.10, 3,147,843.92 and 1,262,687.42

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Solution

The fourth proportional to 2,281,285.10, 3,147,843.92 and 1,262,687.42 is: 1,742,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281,285.10 : 3,147,843.92 = 1,262,687.42 : x
  2. Step 2: Convert to fraction form
    2,281,285.10/3,147,843.92 = 1,262,687.42/x
  3. Step 3: Cross multiply
    2,281,285.10x = 3,147,843.92 × 1,262,687.42
  4. Step 4: Simplify right side
    2,281,285.10x = 3,974,742,917,907.49
  5. Step 5: Solve for x
    x = 3,974,742,917,907.49/2,281,285.10
  6. Step 6: Final answer
    x = 1,742,326.25

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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.