Home / 2,638,511.60-3,956,039.40-1,040,111.60

Finding the Fourth Proportional to 2,638,511.60, 3,956,039.40 and 1,040,111.60

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Solution

The fourth proportional to 2,638,511.60, 3,956,039.40 and 1,040,111.60 is: 1,559,486.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,511.60 : 3,956,039.40 = 1,040,111.60 : x
  2. Step 2: Convert to fraction form
    2,638,511.60/3,956,039.40 = 1,040,111.60/x
  3. Step 3: Cross multiply
    2,638,511.60x = 3,956,039.40 × 1,040,111.60
  4. Step 4: Simplify right side
    2,638,511.60x = 4,114,722,469,997.04
  5. Step 5: Solve for x
    x = 4,114,722,469,997.04/2,638,511.60
  6. Step 6: Final answer
    x = 1,559,486.22

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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.