Home / 2,605,179.21-3,905,182.67-1,236,554.61

Finding the Fourth Proportional to 2,605,179.21, 3,905,182.67 and 1,236,554.61

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Solution

The fourth proportional to 2,605,179.21, 3,905,182.67 and 1,236,554.61 is: 1,853,604.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605,179.21 : 3,905,182.67 = 1,236,554.61 : x
  2. Step 2: Convert to fraction form
    2,605,179.21/3,905,182.67 = 1,236,554.61/x
  3. Step 3: Cross multiply
    2,605,179.21x = 3,905,182.67 × 1,236,554.61
  4. Step 4: Simplify right side
    2,605,179.21x = 4,828,971,627,297.84
  5. Step 5: Solve for x
    x = 4,828,971,627,297.84/2,605,179.21
  6. Step 6: Final answer
    x = 1,853,604.39

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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.