Home / 5,160,777.88-7,121,921.98-2,837,790.76

Finding the Fourth Proportional to 5,160,777.88, 7,121,921.98 and 2,837,790.76

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Solution

The fourth proportional to 5,160,777.88, 7,121,921.98 and 2,837,790.76 is: 3,916,177.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160,777.88 : 7,121,921.98 = 2,837,790.76 : x
  2. Step 2: Convert to fraction form
    5,160,777.88/7,121,921.98 = 2,837,790.76/x
  3. Step 3: Cross multiply
    5,160,777.88x = 7,121,921.98 × 2,837,790.76
  4. Step 4: Simplify right side
    5,160,777.88x = 20,210,524,388,284.91
  5. Step 5: Solve for x
    x = 20,210,524,388,284.91/5,160,777.88
  6. Step 6: Final answer
    x = 3,916,177.92

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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.