Home / 2,125,820.10-3,188,730.15-1,181,036.10

Finding the Fourth Proportional to 2,125,820.10, 3,188,730.15 and 1,181,036.10

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Solution

The fourth proportional to 2,125,820.10, 3,188,730.15 and 1,181,036.10 is: 1,771,554.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,820.10 : 3,188,730.15 = 1,181,036.10 : x
  2. Step 2: Convert to fraction form
    2,125,820.10/3,188,730.15 = 1,181,036.10/x
  3. Step 3: Cross multiply
    2,125,820.10x = 3,188,730.15 × 1,181,036.10
  4. Step 4: Simplify right side
    2,125,820.10x = 3,766,005,420,308.42
  5. Step 5: Solve for x
    x = 3,766,005,420,308.42/2,125,820.10
  6. Step 6: Final answer
    x = 1,771,554.15

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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.