Home / 2,138,751.70-3,207,168.52-1,274,594.71

Finding the Fourth Proportional to 2,138,751.70, 3,207,168.52 and 1,274,594.71

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Solution

The fourth proportional to 2,138,751.70, 3,207,168.52 and 1,274,594.71 is: 1,911,320.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,751.70 : 3,207,168.52 = 1,274,594.71 : x
  2. Step 2: Convert to fraction form
    2,138,751.70/3,207,168.52 = 1,274,594.71/x
  3. Step 3: Cross multiply
    2,138,751.70x = 3,207,168.52 × 1,274,594.71
  4. Step 4: Simplify right side
    2,138,751.70x = 4,087,840,020,374.04
  5. Step 5: Solve for x
    x = 4,087,840,020,374.04/2,138,751.70
  6. Step 6: Final answer
    x = 1,911,320.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.