Home / 3,161,909.32-4,741,387.32-1,139,886.88

Finding the Fourth Proportional to 3,161,909.32, 4,741,387.32 and 1,139,886.88

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Solution

The fourth proportional to 3,161,909.32, 4,741,387.32 and 1,139,886.88 is: 1,709,297.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,909.32 : 4,741,387.32 = 1,139,886.88 : x
  2. Step 2: Convert to fraction form
    3,161,909.32/4,741,387.32 = 1,139,886.88/x
  3. Step 3: Cross multiply
    3,161,909.32x = 4,741,387.32 × 1,139,886.88
  4. Step 4: Simplify right side
    3,161,909.32x = 5,404,645,199,066.36
  5. Step 5: Solve for x
    x = 5,404,645,199,066.36/3,161,909.32
  6. Step 6: Final answer
    x = 1,709,297.98

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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.