Home / 3,129,452.01-4,694,849.51-970,431.03

Finding the Fourth Proportional to 3,129,452.01, 4,694,849.51 and 970,431.03

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Solution

The fourth proportional to 3,129,452.01, 4,694,849.51 and 970,431.03 is: 1,455,854.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,452.01 : 4,694,849.51 = 970,431.03 : x
  2. Step 2: Convert to fraction form
    3,129,452.01/4,694,849.51 = 970,431.03/x
  3. Step 3: Cross multiply
    3,129,452.01x = 4,694,849.51 × 970,431.03
  4. Step 4: Simplify right side
    3,129,452.01x = 4,556,027,640,832.14
  5. Step 5: Solve for x
    x = 4,556,027,640,832.14/3,129,452.01
  6. Step 6: Final answer
    x = 1,455,854.77

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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.