Home / 3,565,389.80-5,346,918.30-1,321,236.20

Finding the Fourth Proportional to 3,565,389.80, 5,346,918.30 and 1,321,236.20

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Solution

The fourth proportional to 3,565,389.80, 5,346,918.30 and 1,321,236.20 is: 1,981,422.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565,389.80 : 5,346,918.30 = 1,321,236.20 : x
  2. Step 2: Convert to fraction form
    3,565,389.80/5,346,918.30 = 1,321,236.20/x
  3. Step 3: Cross multiply
    3,565,389.80x = 5,346,918.30 × 1,321,236.20
  4. Step 4: Simplify right side
    3,565,389.80x = 7,064,542,016,402.46
  5. Step 5: Solve for x
    x = 7,064,542,016,402.46/3,565,389.80
  6. Step 6: Final answer
    x = 1,981,422.06

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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.