Home / 2,138,192.46-2,949,587.10-1,322,135.28

Finding the Fourth Proportional to 2,138,192.46, 2,949,587.10 and 1,322,135.28

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Solution

The fourth proportional to 2,138,192.46, 2,949,587.10 and 1,322,135.28 is: 1,823,855.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,192.46 : 2,949,587.10 = 1,322,135.28 : x
  2. Step 2: Convert to fraction form
    2,138,192.46/2,949,587.10 = 1,322,135.28/x
  3. Step 3: Cross multiply
    2,138,192.46x = 2,949,587.10 × 1,322,135.28
  4. Step 4: Simplify right side
    2,138,192.46x = 3,899,753,166,342.89
  5. Step 5: Solve for x
    x = 3,899,753,166,342.89/2,138,192.46
  6. Step 6: Final answer
    x = 1,823,855.07

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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.