Home / 2,811,091.75-4,216,894.96-789,322.03

Finding the Fourth Proportional to 2,811,091.75, 4,216,894.96 and 789,322.03

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Solution

The fourth proportional to 2,811,091.75, 4,216,894.96 and 789,322.03 is: 1,184,055.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,091.75 : 4,216,894.96 = 789,322.03 : x
  2. Step 2: Convert to fraction form
    2,811,091.75/4,216,894.96 = 789,322.03/x
  3. Step 3: Cross multiply
    2,811,091.75x = 4,216,894.96 × 789,322.03
  4. Step 4: Simplify right side
    2,811,091.75x = 3,328,488,065,092.88
  5. Step 5: Solve for x
    x = 3,328,488,065,092.88/2,811,091.75
  6. Step 6: Final answer
    x = 1,184,055.29

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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.