Home / 2,209,862.40-3,314,793.60-789,964.80

Finding the Fourth Proportional to 2,209,862.40, 3,314,793.60 and 789,964.80

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Solution

The fourth proportional to 2,209,862.40, 3,314,793.60 and 789,964.80 is: 1,184,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,862.40 : 3,314,793.60 = 789,964.80 : x
  2. Step 2: Convert to fraction form
    2,209,862.40/3,314,793.60 = 789,964.80/x
  3. Step 3: Cross multiply
    2,209,862.40x = 3,314,793.60 × 789,964.80
  4. Step 4: Simplify right side
    2,209,862.40x = 2,618,570,263,265.28
  5. Step 5: Solve for x
    x = 2,618,570,263,265.28/2,209,862.40
  6. Step 6: Final answer
    x = 1,184,947.20

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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.