Home / 2,310,818-3,188,869.16-1,278,298.88

Finding the Fourth Proportional to 2,310,818, 3,188,869.16 and 1,278,298.88

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Solution

The fourth proportional to 2,310,818, 3,188,869.16 and 1,278,298.88 is: 1,764,019.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310,818 : 3,188,869.16 = 1,278,298.88 : x
  2. Step 2: Convert to fraction form
    2,310,818/3,188,869.16 = 1,278,298.88/x
  3. Step 3: Cross multiply
    2,310,818x = 3,188,869.16 × 1,278,298.88
  4. Step 4: Simplify right side
    2,310,818x = 4,076,327,875,694.54
  5. Step 5: Solve for x
    x = 4,076,327,875,694.54/2,310,818
  6. Step 6: Final answer
    x = 1,764,019.44

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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.