Home / 3,111,845.80-4,667,768.70-982,145.20

Finding the Fourth Proportional to 3,111,845.80, 4,667,768.70 and 982,145.20

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Solution

The fourth proportional to 3,111,845.80, 4,667,768.70 and 982,145.20 is: 1,473,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111,845.80 : 4,667,768.70 = 982,145.20 : x
  2. Step 2: Convert to fraction form
    3,111,845.80/4,667,768.70 = 982,145.20/x
  3. Step 3: Cross multiply
    3,111,845.80x = 4,667,768.70 × 982,145.20
  4. Step 4: Simplify right side
    3,111,845.80x = 4,584,426,623,415.24
  5. Step 5: Solve for x
    x = 4,584,426,623,415.24/3,111,845.80
  6. Step 6: Final answer
    x = 1,473,217.80

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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.