Home / 3,015,558.68-4,161,503.13-1,638,902.39

Finding the Fourth Proportional to 3,015,558.68, 4,161,503.13 and 1,638,902.39

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Solution

The fourth proportional to 3,015,558.68, 4,161,503.13 and 1,638,902.39 is: 2,261,702.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,558.68 : 4,161,503.13 = 1,638,902.39 : x
  2. Step 2: Convert to fraction form
    3,015,558.68/4,161,503.13 = 1,638,902.39/x
  3. Step 3: Cross multiply
    3,015,558.68x = 4,161,503.13 × 1,638,902.39
  4. Step 4: Simplify right side
    3,015,558.68x = 6,820,297,425,749.48
  5. Step 5: Solve for x
    x = 6,820,297,425,749.48/3,015,558.68
  6. Step 6: Final answer
    x = 2,261,702.77

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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.