Home / 5,138,655.21-7,090,837.07-2,933,545.77

Finding the Fourth Proportional to 5,138,655.21, 7,090,837.07 and 2,933,545.77

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Solution

The fourth proportional to 5,138,655.21, 7,090,837.07 and 2,933,545.77 is: 4,048,003.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,655.21 : 7,090,837.07 = 2,933,545.77 : x
  2. Step 2: Convert to fraction form
    5,138,655.21/7,090,837.07 = 2,933,545.77/x
  3. Step 3: Cross multiply
    5,138,655.21x = 7,090,837.07 × 2,933,545.77
  4. Step 4: Simplify right side
    5,138,655.21x = 20,801,295,077,789.96
  5. Step 5: Solve for x
    x = 20,801,295,077,789.96/5,138,655.21
  6. Step 6: Final answer
    x = 4,048,003.66

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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.