Home / 2,380,546.80-3,570,119.28-1,299,818.88

Finding the Fourth Proportional to 2,380,546.80, 3,570,119.28 and 1,299,818.88

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Solution

The fourth proportional to 2,380,546.80, 3,570,119.28 and 1,299,818.88 is: 1,949,345.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380,546.80 : 3,570,119.28 = 1,299,818.88 : x
  2. Step 2: Convert to fraction form
    2,380,546.80/3,570,119.28 = 1,299,818.88/x
  3. Step 3: Cross multiply
    2,380,546.80x = 3,570,119.28 × 1,299,818.88
  4. Step 4: Simplify right side
    2,380,546.80x = 4,640,508,443,996.01
  5. Step 5: Solve for x
    x = 4,640,508,443,996.01/2,380,546.80
  6. Step 6: Final answer
    x = 1,949,345.61

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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.