Home / 2,255,502.36-3,112,306.46-1,288,695.27

Finding the Fourth Proportional to 2,255,502.36, 3,112,306.46 and 1,288,695.27

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Solution

The fourth proportional to 2,255,502.36, 3,112,306.46 and 1,288,695.27 is: 1,778,235.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,502.36 : 3,112,306.46 = 1,288,695.27 : x
  2. Step 2: Convert to fraction form
    2,255,502.36/3,112,306.46 = 1,288,695.27/x
  3. Step 3: Cross multiply
    2,255,502.36x = 3,112,306.46 × 1,288,695.27
  4. Step 4: Simplify right side
    2,255,502.36x = 4,010,814,607,348.97
  5. Step 5: Solve for x
    x = 4,010,814,607,348.97/2,255,502.36
  6. Step 6: Final answer
    x = 1,778,235.61

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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.