Home / 2,811,009.44-4,213,820.52-1,189,547.78

Finding the Fourth Proportional to 2,811,009.44, 4,213,820.52 and 1,189,547.78

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Solution

The fourth proportional to 2,811,009.44, 4,213,820.52 and 1,189,547.78 is: 1,783,181.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,009.44 : 4,213,820.52 = 1,189,547.78 : x
  2. Step 2: Convert to fraction form
    2,811,009.44/4,213,820.52 = 1,189,547.78/x
  3. Step 3: Cross multiply
    2,811,009.44x = 4,213,820.52 × 1,189,547.78
  4. Step 4: Simplify right side
    2,811,009.44x = 5,012,540,844,884.45
  5. Step 5: Solve for x
    x = 5,012,540,844,884.45/2,811,009.44
  6. Step 6: Final answer
    x = 1,783,181.79

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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.