Home / 3,428,371.05-5,142,600.32-2,363,127.09

Finding the Fourth Proportional to 3,428,371.05, 5,142,600.32 and 2,363,127.09

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Solution

The fourth proportional to 3,428,371.05, 5,142,600.32 and 2,363,127.09 is: 3,544,720.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,371.05 : 5,142,600.32 = 2,363,127.09 : x
  2. Step 2: Convert to fraction form
    3,428,371.05/5,142,600.32 = 2,363,127.09/x
  3. Step 3: Cross multiply
    3,428,371.05x = 5,142,600.32 × 2,363,127.09
  4. Step 4: Simplify right side
    3,428,371.05x = 12,152,618,117,419.03
  5. Step 5: Solve for x
    x = 12,152,618,117,419.03/3,428,371.05
  6. Step 6: Final answer
    x = 3,544,720.78

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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.