Home / 2,215,272.96-3,057,645.44-1,442,828.61

Finding the Fourth Proportional to 2,215,272.96, 3,057,645.44 and 1,442,828.61

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Solution

The fourth proportional to 2,215,272.96, 3,057,645.44 and 1,442,828.61 is: 1,991,473.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,215,272.96 : 3,057,645.44 = 1,442,828.61 : x
  2. Step 2: Convert to fraction form
    2,215,272.96/3,057,645.44 = 1,442,828.61/x
  3. Step 3: Cross multiply
    2,215,272.96x = 3,057,645.44 × 1,442,828.61
  4. Step 4: Simplify right side
    2,215,272.96x = 4,411,658,323,675.11
  5. Step 5: Solve for x
    x = 4,411,658,323,675.11/2,215,272.96
  6. Step 6: Final answer
    x = 1,991,473.92

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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.