Home / 3,181,158.30-4,389,867.09-1,730,859.42

Finding the Fourth Proportional to 3,181,158.30, 4,389,867.09 and 1,730,859.42

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Solution

The fourth proportional to 3,181,158.30, 4,389,867.09 and 1,730,859.42 is: 2,388,514.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181,158.30 : 4,389,867.09 = 1,730,859.42 : x
  2. Step 2: Convert to fraction form
    3,181,158.30/4,389,867.09 = 1,730,859.42/x
  3. Step 3: Cross multiply
    3,181,158.30x = 4,389,867.09 × 1,730,859.42
  4. Step 4: Simplify right side
    3,181,158.30x = 7,598,242,805,274.49
  5. Step 5: Solve for x
    x = 7,598,242,805,274.49/3,181,158.30
  6. Step 6: Final answer
    x = 2,388,514.52

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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.