Home / 2,180,488.80-3,264,512.40-1,931,656.80

Finding the Fourth Proportional to 2,180,488.80, 3,264,512.40 and 1,931,656.80

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Solution

The fourth proportional to 2,180,488.80, 3,264,512.40 and 1,931,656.80 is: 2,891,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,488.80 : 3,264,512.40 = 1,931,656.80 : x
  2. Step 2: Convert to fraction form
    2,180,488.80/3,264,512.40 = 1,931,656.80/x
  3. Step 3: Cross multiply
    2,180,488.80x = 3,264,512.40 × 1,931,656.80
  4. Step 4: Simplify right side
    2,180,488.80x = 6,305,917,576,144.32
  5. Step 5: Solve for x
    x = 6,305,917,576,144.32/2,180,488.80
  6. Step 6: Final answer
    x = 2,891,974.30

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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.