Home / 3,977,189.08-5,488,366.45-2,431,039.54

Finding the Fourth Proportional to 3,977,189.08, 5,488,366.45 and 2,431,039.54

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Solution

The fourth proportional to 3,977,189.08, 5,488,366.45 and 2,431,039.54 is: 3,354,740.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977,189.08 : 5,488,366.45 = 2,431,039.54 : x
  2. Step 2: Convert to fraction form
    3,977,189.08/5,488,366.45 = 2,431,039.54/x
  3. Step 3: Cross multiply
    3,977,189.08x = 5,488,366.45 × 2,431,039.54
  4. Step 4: Simplify right side
    3,977,189.08x = 13,342,435,859,858.69
  5. Step 5: Solve for x
    x = 13,342,435,859,858.69/3,977,189.08
  6. Step 6: Final answer
    x = 3,354,740.14

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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.