Home / 2,748,563.80-4,122,845.70-1,152,928.60

Finding the Fourth Proportional to 2,748,563.80, 4,122,845.70 and 1,152,928.60

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Solution

The fourth proportional to 2,748,563.80, 4,122,845.70 and 1,152,928.60 is: 1,729,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748,563.80 : 4,122,845.70 = 1,152,928.60 : x
  2. Step 2: Convert to fraction form
    2,748,563.80/4,122,845.70 = 1,152,928.60/x
  3. Step 3: Cross multiply
    2,748,563.80x = 4,122,845.70 × 1,152,928.60
  4. Step 4: Simplify right side
    2,748,563.80x = 4,753,346,720,917.02
  5. Step 5: Solve for x
    x = 4,753,346,720,917.02/2,748,563.80
  6. Step 6: Final answer
    x = 1,729,392.90

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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.