Home / 3,334,728.69-5,008,788.90-1,989,519.57

Finding the Fourth Proportional to 3,334,728.69, 5,008,788.90 and 1,989,519.57

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Solution

The fourth proportional to 3,334,728.69, 5,008,788.90 and 1,989,519.57 is: 2,988,274.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,334,728.69 : 5,008,788.90 = 1,989,519.57 : x
  2. Step 2: Convert to fraction form
    3,334,728.69/5,008,788.90 = 1,989,519.57/x
  3. Step 3: Cross multiply
    3,334,728.69x = 5,008,788.90 × 1,989,519.57
  4. Step 4: Simplify right side
    3,334,728.69x = 9,965,083,538,548.77
  5. Step 5: Solve for x
    x = 9,965,083,538,548.77/3,334,728.69
  6. Step 6: Final answer
    x = 2,988,274.15

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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.