Home / 3,825,314-5,278,933.32-2,106,430.42

Finding the Fourth Proportional to 3,825,314, 5,278,933.32 and 2,106,430.42

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Solution

The fourth proportional to 3,825,314, 5,278,933.32 and 2,106,430.42 is: 2,906,873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825,314 : 5,278,933.32 = 2,106,430.42 : x
  2. Step 2: Convert to fraction form
    3,825,314/5,278,933.32 = 2,106,430.42/x
  3. Step 3: Cross multiply
    3,825,314x = 5,278,933.32 × 2,106,430.42
  4. Step 4: Simplify right side
    3,825,314x = 11,119,705,730,399.59
  5. Step 5: Solve for x
    x = 11,119,705,730,399.59/3,825,314
  6. Step 6: Final answer
    x = 2,906,873.98

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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.