Home / 3,653,999.70-5,480,999.55-3,479,817.30

Finding the Fourth Proportional to 3,653,999.70, 5,480,999.55 and 3,479,817.30

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Solution

The fourth proportional to 3,653,999.70, 5,480,999.55 and 3,479,817.30 is: 5,219,725.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653,999.70 : 5,480,999.55 = 3,479,817.30 : x
  2. Step 2: Convert to fraction form
    3,653,999.70/5,480,999.55 = 3,479,817.30/x
  3. Step 3: Cross multiply
    3,653,999.70x = 5,480,999.55 × 3,479,817.30
  4. Step 4: Simplify right side
    3,653,999.70x = 19,072,877,055,382.21
  5. Step 5: Solve for x
    x = 19,072,877,055,382.21/3,653,999.70
  6. Step 6: Final answer
    x = 5,219,725.95

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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.