Home / 3,838,021.85-5,296,331.41-2,119,105.46

Finding the Fourth Proportional to 3,838,021.85, 5,296,331.41 and 2,119,105.46

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Solution

The fourth proportional to 3,838,021.85, 5,296,331.41 and 2,119,105.46 is: 2,924,288.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838,021.85 : 5,296,331.41 = 2,119,105.46 : x
  2. Step 2: Convert to fraction form
    3,838,021.85/5,296,331.41 = 2,119,105.46/x
  3. Step 3: Cross multiply
    3,838,021.85x = 5,296,331.41 × 2,119,105.46
  4. Step 4: Simplify right side
    3,838,021.85x = 11,223,484,816,843.56
  5. Step 5: Solve for x
    x = 11,223,484,816,843.56/3,838,021.85
  6. Step 6: Final answer
    x = 2,924,288.93

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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.