Home / 3,888,014.92-5,365,463.94-2,169,135.80

Finding the Fourth Proportional to 3,888,014.92, 5,365,463.94 and 2,169,135.80

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Solution

The fourth proportional to 3,888,014.92, 5,365,463.94 and 2,169,135.80 is: 2,993,409.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,014.92 : 5,365,463.94 = 2,169,135.80 : x
  2. Step 2: Convert to fraction form
    3,888,014.92/5,365,463.94 = 2,169,135.80/x
  3. Step 3: Cross multiply
    3,888,014.92x = 5,365,463.94 × 2,169,135.80
  4. Step 4: Simplify right side
    3,888,014.92x = 11,638,419,915,863.05
  5. Step 5: Solve for x
    x = 11,638,419,915,863.05/3,888,014.92
  6. Step 6: Final answer
    x = 2,993,409.27

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1.5x scale

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.