Home / 2,658,174.90-3,986,873.55-764,718.90

Finding the Fourth Proportional to 2,658,174.90, 3,986,873.55 and 764,718.90

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Solution

The fourth proportional to 2,658,174.90, 3,986,873.55 and 764,718.90 is: 1,146,966.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658,174.90 : 3,986,873.55 = 764,718.90 : x
  2. Step 2: Convert to fraction form
    2,658,174.90/3,986,873.55 = 764,718.90/x
  3. Step 3: Cross multiply
    2,658,174.90x = 3,986,873.55 × 764,718.90
  4. Step 4: Simplify right side
    2,658,174.90x = 3,048,837,555,595.10
  5. Step 5: Solve for x
    x = 3,048,837,555,595.10/2,658,174.90
  6. Step 6: Final answer
    x = 1,146,966.50

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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.