Home / 3,940,965.72-5,907,891.02-1,416,030.48

Finding the Fourth Proportional to 3,940,965.72, 5,907,891.02 and 1,416,030.48

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Solution

The fourth proportional to 3,940,965.72, 5,907,891.02 and 1,416,030.48 is: 2,122,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,965.72 : 5,907,891.02 = 1,416,030.48 : x
  2. Step 2: Convert to fraction form
    3,940,965.72/5,907,891.02 = 1,416,030.48/x
  3. Step 3: Cross multiply
    3,940,965.72x = 5,907,891.02 × 1,416,030.48
  4. Step 4: Simplify right side
    3,940,965.72x = 8,365,753,749,758.14
  5. Step 5: Solve for x
    x = 8,365,753,749,758.14/3,940,965.72
  6. Step 6: Final answer
    x = 2,122,767.45

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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.