Home / 3,015,807.31-4,161,856.19-1,639,150.60

Finding the Fourth Proportional to 3,015,807.31, 4,161,856.19 and 1,639,150.60

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Solution

The fourth proportional to 3,015,807.31, 4,161,856.19 and 1,639,150.60 is: 2,262,050.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,807.31 : 4,161,856.19 = 1,639,150.60 : x
  2. Step 2: Convert to fraction form
    3,015,807.31/4,161,856.19 = 1,639,150.60/x
  3. Step 3: Cross multiply
    3,015,807.31x = 4,161,856.19 × 1,639,150.60
  4. Step 4: Simplify right side
    3,015,807.31x = 6,821,909,081,080.74
  5. Step 5: Solve for x
    x = 6,821,909,081,080.74/3,015,807.31
  6. Step 6: Final answer
    x = 2,262,050.71

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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.