Home / 2,205,843.16-3,043,288.38-1,442,343.64

Finding the Fourth Proportional to 2,205,843.16, 3,043,288.38 and 1,442,343.64

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Solution

The fourth proportional to 2,205,843.16, 3,043,288.38 and 1,442,343.64 is: 1,989,927.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,843.16 : 3,043,288.38 = 1,442,343.64 : x
  2. Step 2: Convert to fraction form
    2,205,843.16/3,043,288.38 = 1,442,343.64/x
  3. Step 3: Cross multiply
    2,205,843.16x = 3,043,288.38 × 1,442,343.64
  4. Step 4: Simplify right side
    2,205,843.16x = 4,389,467,639,578.90
  5. Step 5: Solve for x
    x = 4,389,467,639,578.90/2,205,843.16
  6. Step 6: Final answer
    x = 1,989,927.35

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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.