Home / 3,171,593.50-4,757,347.70-775,458.78

Finding the Fourth Proportional to 3,171,593.50, 4,757,347.70 and 775,458.78

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Solution

The fourth proportional to 3,171,593.50, 4,757,347.70 and 775,458.78 is: 1,163,177.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,593.50 : 4,757,347.70 = 775,458.78 : x
  2. Step 2: Convert to fraction form
    3,171,593.50/4,757,347.70 = 775,458.78/x
  3. Step 3: Cross multiply
    3,171,593.50x = 4,757,347.70 × 775,458.78
  4. Step 4: Simplify right side
    3,171,593.50x = 3,689,127,043,477.81
  5. Step 5: Solve for x
    x = 3,689,127,043,477.81/3,171,593.50
  6. Step 6: Final answer
    x = 1,163,177.77

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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.