Home / 2,205,328-3,043,125.76-1,238,450.48

Finding the Fourth Proportional to 2,205,328, 3,043,125.76 and 1,238,450.48

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Solution

The fourth proportional to 2,205,328, 3,043,125.76 and 1,238,450.48 is: 1,708,934.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,328 : 3,043,125.76 = 1,238,450.48 : x
  2. Step 2: Convert to fraction form
    2,205,328/3,043,125.76 = 1,238,450.48/x
  3. Step 3: Cross multiply
    2,205,328x = 3,043,125.76 × 1,238,450.48
  4. Step 4: Simplify right side
    2,205,328x = 3,768,760,558,172.36
  5. Step 5: Solve for x
    x = 3,768,760,558,172.36/2,205,328
  6. Step 6: Final answer
    x = 1,708,934.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.