Home / 5,183,669.60-7,769,974.80-1,987,560.80

Finding the Fourth Proportional to 5,183,669.60, 7,769,974.80 and 1,987,560.80

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Solution

The fourth proportional to 5,183,669.60, 7,769,974.80 and 1,987,560.80 is: 2,979,221.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183,669.60 : 7,769,974.80 = 1,987,560.80 : x
  2. Step 2: Convert to fraction form
    5,183,669.60/7,769,974.80 = 1,987,560.80/x
  3. Step 3: Cross multiply
    5,183,669.60x = 7,769,974.80 × 1,987,560.80
  4. Step 4: Simplify right side
    5,183,669.60x = 15,443,297,329,467.84
  5. Step 5: Solve for x
    x = 15,443,297,329,467.84/5,183,669.60
  6. Step 6: Final answer
    x = 2,979,221.00

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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.