Home / 2,954,329.70-4,080,338-1,985,778.48

Finding the Fourth Proportional to 2,954,329.70, 4,080,338 and 1,985,778.48

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Solution

The fourth proportional to 2,954,329.70, 4,080,338 and 1,985,778.48 is: 2,742,634.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954,329.70 : 4,080,338 = 1,985,778.48 : x
  2. Step 2: Convert to fraction form
    2,954,329.70/4,080,338 = 1,985,778.48/x
  3. Step 3: Cross multiply
    2,954,329.70x = 4,080,338 × 1,985,778.48
  4. Step 4: Simplify right side
    2,954,329.70x = 8,102,647,391,526.24
  5. Step 5: Solve for x
    x = 8,102,647,391,526.24/2,954,329.70
  6. Step 6: Final answer
    x = 2,742,634.78

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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.