Home / 2,445,721.20-3,669,100.20-739,724.40

Finding the Fourth Proportional to 2,445,721.20, 3,669,100.20 and 739,724.40

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Solution

The fourth proportional to 2,445,721.20, 3,669,100.20 and 739,724.40 is: 1,109,743.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445,721.20 : 3,669,100.20 = 739,724.40 : x
  2. Step 2: Convert to fraction form
    2,445,721.20/3,669,100.20 = 739,724.40/x
  3. Step 3: Cross multiply
    2,445,721.20x = 3,669,100.20 × 739,724.40
  4. Step 4: Simplify right side
    2,445,721.20x = 2,714,122,943,984.88
  5. Step 5: Solve for x
    x = 2,714,122,943,984.88/2,445,721.20
  6. Step 6: Final answer
    x = 1,109,743.39

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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.