Home / 2,186,020.30-3,279,030.45-1,955,729.20

Finding the Fourth Proportional to 2,186,020.30, 3,279,030.45 and 1,955,729.20

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Solution

The fourth proportional to 2,186,020.30, 3,279,030.45 and 1,955,729.20 is: 2,933,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,020.30 : 3,279,030.45 = 1,955,729.20 : x
  2. Step 2: Convert to fraction form
    2,186,020.30/3,279,030.45 = 1,955,729.20/x
  3. Step 3: Cross multiply
    2,186,020.30x = 3,279,030.45 × 1,955,729.20
  4. Step 4: Simplify right side
    2,186,020.30x = 6,412,895,598,754.14
  5. Step 5: Solve for x
    x = 6,412,895,598,754.14/2,186,020.30
  6. Step 6: Final answer
    x = 2,933,593.80

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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.