Home / 3,819,981.19-5,272,322.89-2,189,481.40

Finding the Fourth Proportional to 3,819,981.19, 5,272,322.89 and 2,189,481.40

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Solution

The fourth proportional to 3,819,981.19, 5,272,322.89 and 2,189,481.40 is: 3,021,913.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,981.19 : 5,272,322.89 = 2,189,481.40 : x
  2. Step 2: Convert to fraction form
    3,819,981.19/5,272,322.89 = 2,189,481.40/x
  3. Step 3: Cross multiply
    3,819,981.19x = 5,272,322.89 × 2,189,481.40
  4. Step 4: Simplify right side
    3,819,981.19x = 11,543,652,883,794.74
  5. Step 5: Solve for x
    x = 11,543,652,883,794.74/3,819,981.19
  6. Step 6: Final answer
    x = 3,021,913.54

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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.