Home / 2,799,198.16-4,199,463.56-905,939.60

Finding the Fourth Proportional to 2,799,198.16, 4,199,463.56 and 905,939.60

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Solution

The fourth proportional to 2,799,198.16, 4,199,463.56 and 905,939.60 is: 1,359,125.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,198.16 : 4,199,463.56 = 905,939.60 : x
  2. Step 2: Convert to fraction form
    2,799,198.16/4,199,463.56 = 905,939.60/x
  3. Step 3: Cross multiply
    2,799,198.16x = 4,199,463.56 × 905,939.60
  4. Step 4: Simplify right side
    2,799,198.16x = 3,804,460,319,028.51
  5. Step 5: Solve for x
    x = 3,804,460,319,028.51/2,799,198.16
  6. Step 6: Final answer
    x = 1,359,125.04

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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.