Home / 2,310,811.52-3,188,860.23-1,278,292.40

Finding the Fourth Proportional to 2,310,811.52, 3,188,860.23 and 1,278,292.40

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Solution

The fourth proportional to 2,310,811.52, 3,188,860.23 and 1,278,292.40 is: 1,764,010.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310,811.52 : 3,188,860.23 = 1,278,292.40 : x
  2. Step 2: Convert to fraction form
    2,310,811.52/3,188,860.23 = 1,278,292.40/x
  3. Step 3: Cross multiply
    2,310,811.52x = 3,188,860.23 × 1,278,292.40
  4. Step 4: Simplify right side
    2,310,811.52x = 4,076,295,796,671.25
  5. Step 5: Solve for x
    x = 4,076,295,796,671.25/2,310,811.52
  6. Step 6: Final answer
    x = 1,764,010.51

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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.