Home / 2,083,436.70-3,120,489.45-1,243,628.70

Finding the Fourth Proportional to 2,083,436.70, 3,120,489.45 and 1,243,628.70

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Solution

The fourth proportional to 2,083,436.70, 3,120,489.45 and 1,243,628.70 is: 1,862,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083,436.70 : 3,120,489.45 = 1,243,628.70 : x
  2. Step 2: Convert to fraction form
    2,083,436.70/3,120,489.45 = 1,243,628.70/x
  3. Step 3: Cross multiply
    2,083,436.70x = 3,120,489.45 × 1,243,628.70
  4. Step 4: Simplify right side
    2,083,436.70x = 3,880,730,238,067.22
  5. Step 5: Solve for x
    x = 3,880,730,238,067.22/2,083,436.70
  6. Step 6: Final answer
    x = 1,862,658.10

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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.