Home / 2,157,479.10-2,978,440.57-1,576,049.44

Finding the Fourth Proportional to 2,157,479.10, 2,978,440.57 and 1,576,049.44

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Solution

The fourth proportional to 2,157,479.10, 2,978,440.57 and 1,576,049.44 is: 2,175,765.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,479.10 : 2,978,440.57 = 1,576,049.44 : x
  2. Step 2: Convert to fraction form
    2,157,479.10/2,978,440.57 = 1,576,049.44/x
  3. Step 3: Cross multiply
    2,157,479.10x = 2,978,440.57 × 1,576,049.44
  4. Step 4: Simplify right side
    2,157,479.10x = 4,694,169,592,421.78
  5. Step 5: Solve for x
    x = 4,694,169,592,421.78/2,157,479.10
  6. Step 6: Final answer
    x = 2,175,765.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.