Home / 2,157,545.42-2,978,531.96-1,576,115.74

Finding the Fourth Proportional to 2,157,545.42, 2,978,531.96 and 1,576,115.74

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Solution

The fourth proportional to 2,157,545.42, 2,978,531.96 and 1,576,115.74 is: 2,175,857.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,545.42 : 2,978,531.96 = 1,576,115.74 : x
  2. Step 2: Convert to fraction form
    2,157,545.42/2,978,531.96 = 1,576,115.74/x
  3. Step 3: Cross multiply
    2,157,545.42x = 2,978,531.96 × 1,576,115.74
  4. Step 4: Simplify right side
    2,157,545.42x = 4,694,511,104,249.05
  5. Step 5: Solve for x
    x = 4,694,511,104,249.05/2,157,545.42
  6. Step 6: Final answer
    x = 2,175,857.37

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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.