Home / 2,116,745.80-3,175,118.70-1,274,864.20

Finding the Fourth Proportional to 2,116,745.80, 3,175,118.70 and 1,274,864.20

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Solution

The fourth proportional to 2,116,745.80, 3,175,118.70 and 1,274,864.20 is: 1,912,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,745.80 : 3,175,118.70 = 1,274,864.20 : x
  2. Step 2: Convert to fraction form
    2,116,745.80/3,175,118.70 = 1,274,864.20/x
  3. Step 3: Cross multiply
    2,116,745.80x = 3,175,118.70 × 1,274,864.20
  4. Step 4: Simplify right side
    2,116,745.80x = 4,047,845,161,380.54
  5. Step 5: Solve for x
    x = 4,047,845,161,380.54/2,116,745.80
  6. Step 6: Final answer
    x = 1,912,296.30

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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.