Home / 5,678,129.28-7,835,936.96-3,099,918.72

Finding the Fourth Proportional to 5,678,129.28, 7,835,936.96 and 3,099,918.72

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Solution

The fourth proportional to 5,678,129.28, 7,835,936.96 and 3,099,918.72 is: 4,277,952.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,129.28 : 7,835,936.96 = 3,099,918.72 : x
  2. Step 2: Convert to fraction form
    5,678,129.28/7,835,936.96 = 3,099,918.72/x
  3. Step 3: Cross multiply
    5,678,129.28x = 7,835,936.96 × 3,099,918.72
  4. Step 4: Simplify right side
    5,678,129.28x = 24,290,767,671,043.89
  5. Step 5: Solve for x
    x = 24,290,767,671,043.89/5,678,129.28
  6. Step 6: Final answer
    x = 4,277,952.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.