Home / 2,639,879.56-3,643,088.34-1,493,959.72

Finding the Fourth Proportional to 2,639,879.56, 3,643,088.34 and 1,493,959.72

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Solution

The fourth proportional to 2,639,879.56, 3,643,088.34 and 1,493,959.72 is: 2,061,695.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,879.56 : 3,643,088.34 = 1,493,959.72 : x
  2. Step 2: Convert to fraction form
    2,639,879.56/3,643,088.34 = 1,493,959.72/x
  3. Step 3: Cross multiply
    2,639,879.56x = 3,643,088.34 × 1,493,959.72
  4. Step 4: Simplify right side
    2,639,879.56x = 5,442,627,236,361.66
  5. Step 5: Solve for x
    x = 5,442,627,236,361.66/2,639,879.56
  6. Step 6: Final answer
    x = 2,061,695.28

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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.