Home / 2,787,008.58-4,180,065.38-764,780.23

Finding the Fourth Proportional to 2,787,008.58, 4,180,065.38 and 764,780.23

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Solution

The fourth proportional to 2,787,008.58, 4,180,065.38 and 764,780.23 is: 1,147,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,008.58 : 4,180,065.38 = 764,780.23 : x
  2. Step 2: Convert to fraction form
    2,787,008.58/4,180,065.38 = 764,780.23/x
  3. Step 3: Cross multiply
    2,787,008.58x = 4,180,065.38 × 764,780.23
  4. Step 4: Simplify right side
    2,787,008.58x = 3,196,831,370,227.15
  5. Step 5: Solve for x
    x = 3,196,831,370,227.15/2,787,008.58
  6. Step 6: Final answer
    x = 1,147,047.55

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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.