Home / 2,825,215.38-4,237,729.29-1,227,780

Finding the Fourth Proportional to 2,825,215.38, 4,237,729.29 and 1,227,780

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Solution

The fourth proportional to 2,825,215.38, 4,237,729.29 and 1,227,780 is: 1,841,629.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,215.38 : 4,237,729.29 = 1,227,780 : x
  2. Step 2: Convert to fraction form
    2,825,215.38/4,237,729.29 = 1,227,780/x
  3. Step 3: Cross multiply
    2,825,215.38x = 4,237,729.29 × 1,227,780
  4. Step 4: Simplify right side
    2,825,215.38x = 5,202,999,267,676.20
  5. Step 5: Solve for x
    x = 5,202,999,267,676.20/2,825,215.38
  6. Step 6: Final answer
    x = 1,841,629.25

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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.