Home / 3,912,423.32-5,398,873.83-2,169,928.37

Finding the Fourth Proportional to 3,912,423.32, 5,398,873.83 and 2,169,928.37

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Solution

The fourth proportional to 3,912,423.32, 5,398,873.83 and 2,169,928.37 is: 2,994,351.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,423.32 : 5,398,873.83 = 2,169,928.37 : x
  2. Step 2: Convert to fraction form
    3,912,423.32/5,398,873.83 = 2,169,928.37/x
  3. Step 3: Cross multiply
    3,912,423.32x = 5,398,873.83 × 2,169,928.37
  4. Step 4: Simplify right side
    3,912,423.32x = 11,715,169,503,264.74
  5. Step 5: Solve for x
    x = 11,715,169,503,264.74/3,912,423.32
  6. Step 6: Final answer
    x = 2,994,351.21

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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.