Home / 2,917,439.40-4,380,095.70-2,319,076.20

Finding the Fourth Proportional to 2,917,439.40, 4,380,095.70 and 2,319,076.20

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Solution

The fourth proportional to 2,917,439.40, 4,380,095.70 and 2,319,076.20 is: 3,481,743.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917,439.40 : 4,380,095.70 = 2,319,076.20 : x
  2. Step 2: Convert to fraction form
    2,917,439.40/4,380,095.70 = 2,319,076.20/x
  3. Step 3: Cross multiply
    2,917,439.40x = 4,380,095.70 × 2,319,076.20
  4. Step 4: Simplify right side
    2,917,439.40x = 10,157,775,691,592.34
  5. Step 5: Solve for x
    x = 10,157,775,691,592.34/2,917,439.40
  6. Step 6: Final answer
    x = 3,481,743.51

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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.