Home / 3,057,771.78-4,219,636.41-1,681,118.19

Finding the Fourth Proportional to 3,057,771.78, 4,219,636.41 and 1,681,118.19

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Solution

The fourth proportional to 3,057,771.78, 4,219,636.41 and 1,681,118.19 is: 2,319,894.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057,771.78 : 4,219,636.41 = 1,681,118.19 : x
  2. Step 2: Convert to fraction form
    3,057,771.78/4,219,636.41 = 1,681,118.19/x
  3. Step 3: Cross multiply
    3,057,771.78x = 4,219,636.41 × 1,681,118.19
  4. Step 4: Simplify right side
    3,057,771.78x = 7,093,707,524,037.30
  5. Step 5: Solve for x
    x = 7,093,707,524,037.30/3,057,771.78
  6. Step 6: Final answer
    x = 2,319,894.37

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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.