Home / 2,826,702-3,900,848.76-1,620,177.84

Finding the Fourth Proportional to 2,826,702, 3,900,848.76 and 1,620,177.84

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Solution

The fourth proportional to 2,826,702, 3,900,848.76 and 1,620,177.84 is: 2,235,845.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826,702 : 3,900,848.76 = 1,620,177.84 : x
  2. Step 2: Convert to fraction form
    2,826,702/3,900,848.76 = 1,620,177.84/x
  3. Step 3: Cross multiply
    2,826,702x = 3,900,848.76 × 1,620,177.84
  4. Step 4: Simplify right side
    2,826,702x = 6,320,068,718,143.48
  5. Step 5: Solve for x
    x = 6,320,068,718,143.48/2,826,702
  6. Step 6: Final answer
    x = 2,235,845.42

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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.