Home / 2,811,092.25-4,216,895.71-789,322.53

Finding the Fourth Proportional to 2,811,092.25, 4,216,895.71 and 789,322.53

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Solution

The fourth proportional to 2,811,092.25, 4,216,895.71 and 789,322.53 is: 1,184,056.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,092.25 : 4,216,895.71 = 789,322.53 : x
  2. Step 2: Convert to fraction form
    2,811,092.25/4,216,895.71 = 789,322.53/x
  3. Step 3: Cross multiply
    2,811,092.25x = 4,216,895.71 × 789,322.53
  4. Step 4: Simplify right side
    2,811,092.25x = 3,328,490,790,563.35
  5. Step 5: Solve for x
    x = 3,328,490,790,563.35/2,811,092.25
  6. Step 6: Final answer
    x = 1,184,056.05

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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.