Home / 3,057,771.88-4,219,727.70-1,681,138.90

Finding the Fourth Proportional to 3,057,771.88, 4,219,727.70 and 1,681,138.90

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Solution

The fourth proportional to 3,057,771.88, 4,219,727.70 and 1,681,138.90 is: 2,319,973.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057,771.88 : 4,219,727.70 = 1,681,138.90 : x
  2. Step 2: Convert to fraction form
    3,057,771.88/4,219,727.70 = 1,681,138.90/x
  3. Step 3: Cross multiply
    3,057,771.88x = 4,219,727.70 × 1,681,138.90
  4. Step 4: Simplify right side
    3,057,771.88x = 7,093,948,383,877.53
  5. Step 5: Solve for x
    x = 7,093,948,383,877.53/3,057,771.88
  6. Step 6: Final answer
    x = 2,319,973.06

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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.