Home / 3,123,118.80-4,684,755.96-879,241.68

Finding the Fourth Proportional to 3,123,118.80, 4,684,755.96 and 879,241.68

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Solution

The fourth proportional to 3,123,118.80, 4,684,755.96 and 879,241.68 is: 1,318,884.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123,118.80 : 4,684,755.96 = 879,241.68 : x
  2. Step 2: Convert to fraction form
    3,123,118.80/4,684,755.96 = 879,241.68/x
  3. Step 3: Cross multiply
    3,123,118.80x = 4,684,755.96 × 879,241.68
  4. Step 4: Simplify right side
    3,123,118.80x = 4,119,032,700,660.41
  5. Step 5: Solve for x
    x = 4,119,032,700,660.41/3,123,118.80
  6. Step 6: Final answer
    x = 1,318,884.41

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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.