Home / 2,137,078.88-2,949,141.12-1,219,284.32

Finding the Fourth Proportional to 2,137,078.88, 2,949,141.12 and 1,219,284.32

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Solution

The fourth proportional to 2,137,078.88, 2,949,141.12 and 1,219,284.32 is: 1,682,596.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,078.88 : 2,949,141.12 = 1,219,284.32 : x
  2. Step 2: Convert to fraction form
    2,137,078.88/2,949,141.12 = 1,219,284.32/x
  3. Step 3: Cross multiply
    2,137,078.88x = 2,949,141.12 × 1,219,284.32
  4. Step 4: Simplify right side
    2,137,078.88x = 3,595,841,525,083.24
  5. Step 5: Solve for x
    x = 3,595,841,525,083.24/2,137,078.88
  6. Step 6: Final answer
    x = 1,682,596.54

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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.