Home / 3,613,058.25-5,421,686.90-1,618,514.25

Finding the Fourth Proportional to 3,613,058.25, 5,421,686.90 and 1,618,514.25

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Solution

The fourth proportional to 3,613,058.25, 5,421,686.90 and 1,618,514.25 is: 2,428,711.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613,058.25 : 5,421,686.90 = 1,618,514.25 : x
  2. Step 2: Convert to fraction form
    3,613,058.25/5,421,686.90 = 1,618,514.25/x
  3. Step 3: Cross multiply
    3,613,058.25x = 5,421,686.90 × 1,618,514.25
  4. Step 4: Simplify right side
    3,613,058.25x = 8,775,077,498,595.75
  5. Step 5: Solve for x
    x = 8,775,077,498,595.75/3,613,058.25
  6. Step 6: Final answer
    x = 2,428,711.88

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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.