Home / 2,876,028.32-3,970,357.16-1,788,650.20

Finding the Fourth Proportional to 2,876,028.32, 3,970,357.16 and 1,788,650.20

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Solution

The fourth proportional to 2,876,028.32, 3,970,357.16 and 1,788,650.20 is: 2,469,231.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876,028.32 : 3,970,357.16 = 1,788,650.20 : x
  2. Step 2: Convert to fraction form
    2,876,028.32/3,970,357.16 = 1,788,650.20/x
  3. Step 3: Cross multiply
    2,876,028.32x = 3,970,357.16 × 1,788,650.20
  4. Step 4: Simplify right side
    2,876,028.32x = 7,101,580,124,325.13
  5. Step 5: Solve for x
    x = 7,101,580,124,325.13/2,876,028.32
  6. Step 6: Final answer
    x = 2,469,231.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.