Home / 3,819,981.94-5,272,323.92-2,189,482.15

Finding the Fourth Proportional to 3,819,981.94, 5,272,323.92 and 2,189,482.15

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Solution

The fourth proportional to 3,819,981.94, 5,272,323.92 and 2,189,482.15 is: 3,021,914.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,981.94 : 5,272,323.92 = 2,189,482.15 : x
  2. Step 2: Convert to fraction form
    3,819,981.94/5,272,323.92 = 2,189,482.15/x
  3. Step 3: Cross multiply
    3,819,981.94x = 5,272,323.92 × 2,189,482.15
  4. Step 4: Simplify right side
    3,819,981.94x = 11,543,659,104,150.92
  5. Step 5: Solve for x
    x = 11,543,659,104,150.92/3,819,981.94
  6. Step 6: Final answer
    x = 3,021,914.58

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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.