Home / 5,215,637.94-7,823,373.78-1,429,120.82

Finding the Fourth Proportional to 5,215,637.94, 7,823,373.78 and 1,429,120.82

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Solution

The fourth proportional to 5,215,637.94, 7,823,373.78 and 1,429,120.82 is: 2,143,658.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,637.94 : 7,823,373.78 = 1,429,120.82 : x
  2. Step 2: Convert to fraction form
    5,215,637.94/7,823,373.78 = 1,429,120.82/x
  3. Step 3: Cross multiply
    5,215,637.94x = 7,823,373.78 × 1,429,120.82
  4. Step 4: Simplify right side
    5,215,637.94x = 11,180,546,351,640.10
  5. Step 5: Solve for x
    x = 11,180,546,351,640.10/5,215,637.94
  6. Step 6: Final answer
    x = 2,143,658.45

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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.