Home / 3,107,369.44-4,288,805.04-1,960,677.28

Finding the Fourth Proportional to 3,107,369.44, 4,288,805.04 and 1,960,677.28

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Solution

The fourth proportional to 3,107,369.44, 4,288,805.04 and 1,960,677.28 is: 2,706,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107,369.44 : 4,288,805.04 = 1,960,677.28 : x
  2. Step 2: Convert to fraction form
    3,107,369.44/4,288,805.04 = 1,960,677.28/x
  3. Step 3: Cross multiply
    3,107,369.44x = 4,288,805.04 × 1,960,677.28
  4. Step 4: Simplify right side
    3,107,369.44x = 8,408,962,600,277.49
  5. Step 5: Solve for x
    x = 8,408,962,600,277.49/3,107,369.44
  6. Step 6: Final answer
    x = 2,706,135.45

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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.