Home / 2,181,620.90-3,271,336.31-1,271,098.10

Finding the Fourth Proportional to 2,181,620.90, 3,271,336.31 and 1,271,098.10

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Solution

The fourth proportional to 2,181,620.90, 3,271,336.31 and 1,271,098.10 is: 1,906,009.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,620.90 : 3,271,336.31 = 1,271,098.10 : x
  2. Step 2: Convert to fraction form
    2,181,620.90/3,271,336.31 = 1,271,098.10/x
  3. Step 3: Cross multiply
    2,181,620.90x = 3,271,336.31 × 1,271,098.10
  4. Step 4: Simplify right side
    2,181,620.90x = 4,158,189,368,102.01
  5. Step 5: Solve for x
    x = 4,158,189,368,102.01/2,181,620.90
  6. Step 6: Final answer
    x = 1,906,009.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.