Home / 3,888,002.80-5,365,447.24-2,169,123.68

Finding the Fourth Proportional to 3,888,002.80, 5,365,447.24 and 2,169,123.68

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Solution

The fourth proportional to 3,888,002.80, 5,365,447.24 and 2,169,123.68 is: 2,993,392.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,002.80 : 5,365,447.24 = 2,169,123.68 : x
  2. Step 2: Convert to fraction form
    3,888,002.80/5,365,447.24 = 2,169,123.68/x
  3. Step 3: Cross multiply
    3,888,002.80x = 5,365,447.24 × 2,169,123.68
  4. Step 4: Simplify right side
    3,888,002.80x = 11,638,318,662,074.64
  5. Step 5: Solve for x
    x = 11,638,318,662,074.64/3,888,002.80
  6. Step 6: Final answer
    x = 2,993,392.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.