Home / 2,278,228.16-3,415,655-1,379,458.64

Finding the Fourth Proportional to 2,278,228.16, 3,415,655 and 1,379,458.64

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Solution

The fourth proportional to 2,278,228.16, 3,415,655 and 1,379,458.64 is: 2,068,166.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,228.16 : 3,415,655 = 1,379,458.64 : x
  2. Step 2: Convert to fraction form
    2,278,228.16/3,415,655 = 1,379,458.64/x
  3. Step 3: Cross multiply
    2,278,228.16x = 3,415,655 × 1,379,458.64
  4. Step 4: Simplify right side
    2,278,228.16x = 4,711,754,801,009.20
  5. Step 5: Solve for x
    x = 4,711,754,801,009.20/2,278,228.16
  6. Step 6: Final answer
    x = 2,068,166.34

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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.