Home / 2,087,462.78-3,131,276.96-992,984.77

Finding the Fourth Proportional to 2,087,462.78, 3,131,276.96 and 992,984.77

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Solution

The fourth proportional to 2,087,462.78, 3,131,276.96 and 992,984.77 is: 1,489,516.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,462.78 : 3,131,276.96 = 992,984.77 : x
  2. Step 2: Convert to fraction form
    2,087,462.78/3,131,276.96 = 992,984.77/x
  3. Step 3: Cross multiply
    2,087,462.78x = 3,131,276.96 × 992,984.77
  4. Step 4: Simplify right side
    2,087,462.78x = 3,109,310,326,586.17
  5. Step 5: Solve for x
    x = 3,109,310,326,586.17/2,087,462.78
  6. Step 6: Final answer
    x = 1,489,516.54

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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.