Home / 2,787,009.58-4,180,066.88-764,781.23

Finding the Fourth Proportional to 2,787,009.58, 4,180,066.88 and 764,781.23

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Solution

The fourth proportional to 2,787,009.58, 4,180,066.88 and 764,781.23 is: 1,147,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,009.58 : 4,180,066.88 = 764,781.23 : x
  2. Step 2: Convert to fraction form
    2,787,009.58/4,180,066.88 = 764,781.23/x
  3. Step 3: Cross multiply
    2,787,009.58x = 4,180,066.88 × 764,781.23
  4. Step 4: Simplify right side
    2,787,009.58x = 3,196,836,689,968.66
  5. Step 5: Solve for x
    x = 3,196,836,689,968.66/2,787,009.58
  6. Step 6: Final answer
    x = 1,147,049.05

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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.