Home / 1,995,537.45-2,994,782.40-1,321,394.70

Finding the Fourth Proportional to 1,995,537.45, 2,994,782.40 and 1,321,394.70

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Solution

The fourth proportional to 1,995,537.45, 2,994,782.40 and 1,321,394.70 is: 1,983,069.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,537.45 : 2,994,782.40 = 1,321,394.70 : x
  2. Step 2: Convert to fraction form
    1,995,537.45/2,994,782.40 = 1,321,394.70/x
  3. Step 3: Cross multiply
    1,995,537.45x = 2,994,782.40 × 1,321,394.70
  4. Step 4: Simplify right side
    1,995,537.45x = 3,957,289,591,013.28
  5. Step 5: Solve for x
    x = 3,957,289,591,013.28/1,995,537.45
  6. Step 6: Final answer
    x = 1,983,069.57

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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.