Home / 2,310,809.02-3,188,856.78-1,278,289.90

Finding the Fourth Proportional to 2,310,809.02, 3,188,856.78 and 1,278,289.90

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Solution

The fourth proportional to 2,310,809.02, 3,188,856.78 and 1,278,289.90 is: 1,764,007.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310,809.02 : 3,188,856.78 = 1,278,289.90 : x
  2. Step 2: Convert to fraction form
    2,310,809.02/3,188,856.78 = 1,278,289.90/x
  3. Step 3: Cross multiply
    2,310,809.02x = 3,188,856.78 × 1,278,289.90
  4. Step 4: Simplify right side
    2,310,809.02x = 4,076,283,414,420.52
  5. Step 5: Solve for x
    x = 4,076,283,414,420.52/2,310,809.02
  6. Step 6: Final answer
    x = 1,764,007.06

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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.