Home / 3,120,437.20-4,680,809.40-1,627,445.20

Finding the Fourth Proportional to 3,120,437.20, 4,680,809.40 and 1,627,445.20

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Solution

The fourth proportional to 3,120,437.20, 4,680,809.40 and 1,627,445.20 is: 2,441,247.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,437.20 : 4,680,809.40 = 1,627,445.20 : x
  2. Step 2: Convert to fraction form
    3,120,437.20/4,680,809.40 = 1,627,445.20/x
  3. Step 3: Cross multiply
    3,120,437.20x = 4,680,809.40 × 1,627,445.20
  4. Step 4: Simplify right side
    3,120,437.20x = 7,617,760,790,144.88
  5. Step 5: Solve for x
    x = 7,617,760,790,144.88/3,120,437.20
  6. Step 6: Final answer
    x = 2,441,247.91

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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.