Home / 2,627,212.28-3,942,294.78-1,429,218.44

Finding the Fourth Proportional to 2,627,212.28, 3,942,294.78 and 1,429,218.44

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Solution

The fourth proportional to 2,627,212.28, 3,942,294.78 and 1,429,218.44 is: 2,144,630.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,627,212.28 : 3,942,294.78 = 1,429,218.44 : x
  2. Step 2: Convert to fraction form
    2,627,212.28/3,942,294.78 = 1,429,218.44/x
  3. Step 3: Cross multiply
    2,627,212.28x = 3,942,294.78 × 1,429,218.44
  4. Step 4: Simplify right side
    2,627,212.28x = 5,634,400,395,491.74
  5. Step 5: Solve for x
    x = 5,634,400,395,491.74/2,627,212.28
  6. Step 6: Final answer
    x = 2,144,630.81

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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.