Home / 3,100,313.45-4,278,671.89-1,859,970.24

Finding the Fourth Proportional to 3,100,313.45, 4,278,671.89 and 1,859,970.24

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Solution

The fourth proportional to 3,100,313.45, 4,278,671.89 and 1,859,970.24 is: 2,566,902.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,313.45 : 4,278,671.89 = 1,859,970.24 : x
  2. Step 2: Convert to fraction form
    3,100,313.45/4,278,671.89 = 1,859,970.24/x
  3. Step 3: Cross multiply
    3,100,313.45x = 4,278,671.89 × 1,859,970.24
  4. Step 4: Simplify right side
    3,100,313.45x = 7,958,202,382,124.55
  5. Step 5: Solve for x
    x = 7,958,202,382,124.55/3,100,313.45
  6. Step 6: Final answer
    x = 2,566,902.51

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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.