Home / 2,786,966.54-4,179,690.52-764,731.02

Finding the Fourth Proportional to 2,786,966.54, 4,179,690.52 and 764,731.02

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Solution

The fourth proportional to 2,786,966.54, 4,179,690.52 and 764,731.02 is: 1,146,888.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786,966.54 : 4,179,690.52 = 764,731.02 : x
  2. Step 2: Convert to fraction form
    2,786,966.54/4,179,690.52 = 764,731.02/x
  3. Step 3: Cross multiply
    2,786,966.54x = 4,179,690.52 × 764,731.02
  4. Step 4: Simplify right side
    2,786,966.54x = 3,196,339,008,405.94
  5. Step 5: Solve for x
    x = 3,196,339,008,405.94/2,786,966.54
  6. Step 6: Final answer
    x = 1,146,888.19

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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.