Home / 2,971,795.78-4,101,078.12-1,613,668.78

Finding the Fourth Proportional to 2,971,795.78, 4,101,078.12 and 1,613,668.78

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Solution

The fourth proportional to 2,971,795.78, 4,101,078.12 and 1,613,668.78 is: 2,226,862.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971,795.78 : 4,101,078.12 = 1,613,668.78 : x
  2. Step 2: Convert to fraction form
    2,971,795.78/4,101,078.12 = 1,613,668.78/x
  3. Step 3: Cross multiply
    2,971,795.78x = 4,101,078.12 × 1,613,668.78
  4. Step 4: Simplify right side
    2,971,795.78x = 6,617,781,726,585.09
  5. Step 5: Solve for x
    x = 6,617,781,726,585.09/2,971,795.78
  6. Step 6: Final answer
    x = 2,226,862.89

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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.