Home / 3,408,690.54-5,113,029.33-1,987,750.20

Finding the Fourth Proportional to 3,408,690.54, 5,113,029.33 and 1,987,750.20

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Solution

The fourth proportional to 3,408,690.54, 5,113,029.33 and 1,987,750.20 is: 2,981,621.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408,690.54 : 5,113,029.33 = 1,987,750.20 : x
  2. Step 2: Convert to fraction form
    3,408,690.54/5,113,029.33 = 1,987,750.20/x
  3. Step 3: Cross multiply
    3,408,690.54x = 5,113,029.33 × 1,987,750.20
  4. Step 4: Simplify right side
    3,408,690.54x = 10,163,425,073,313.37
  5. Step 5: Solve for x
    x = 10,163,425,073,313.37/3,408,690.54
  6. Step 6: Final answer
    x = 2,981,621.52

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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.