Home / 2,139,695.82-3,214,560.33-2,018,642.94

Finding the Fourth Proportional to 2,139,695.82, 3,214,560.33 and 2,018,642.94

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Solution

The fourth proportional to 2,139,695.82, 3,214,560.33 and 2,018,642.94 is: 3,032,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,695.82 : 3,214,560.33 = 2,018,642.94 : x
  2. Step 2: Convert to fraction form
    2,139,695.82/3,214,560.33 = 2,018,642.94/x
  3. Step 3: Cross multiply
    2,139,695.82x = 3,214,560.33 × 2,018,642.94
  4. Step 4: Simplify right side
    2,139,695.82x = 6,489,049,515,358.57
  5. Step 5: Solve for x
    x = 6,489,049,515,358.57/2,139,695.82
  6. Step 6: Final answer
    x = 3,032,697.20

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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.