Home / 1,972,862.98-2,722,259.01-1,198,090.90

Finding the Fourth Proportional to 1,972,862.98, 2,722,259.01 and 1,198,090.90

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Solution

The fourth proportional to 1,972,862.98, 2,722,259.01 and 1,198,090.90 is: 1,653,188.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,862.98 : 2,722,259.01 = 1,198,090.90 : x
  2. Step 2: Convert to fraction form
    1,972,862.98/2,722,259.01 = 1,198,090.90/x
  3. Step 3: Cross multiply
    1,972,862.98x = 2,722,259.01 × 1,198,090.90
  4. Step 4: Simplify right side
    1,972,862.98x = 3,261,513,747,324.01
  5. Step 5: Solve for x
    x = 3,261,513,747,324.01/1,972,862.98
  6. Step 6: Final answer
    x = 1,653,188.17

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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.