Home / 2,139,655.37-2,953,027.19-1,324,121.71

Finding the Fourth Proportional to 2,139,655.37, 2,953,027.19 and 1,324,121.71

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Solution

The fourth proportional to 2,139,655.37, 2,953,027.19 and 1,324,121.71 is: 1,827,475.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,655.37 : 2,953,027.19 = 1,324,121.71 : x
  2. Step 2: Convert to fraction form
    2,139,655.37/2,953,027.19 = 1,324,121.71/x
  3. Step 3: Cross multiply
    2,139,655.37x = 2,953,027.19 × 1,324,121.71
  4. Step 4: Simplify right side
    2,139,655.37x = 3,910,167,405,658.57
  5. Step 5: Solve for x
    x = 3,910,167,405,658.57/2,139,655.37
  6. Step 6: Final answer
    x = 1,827,475.33

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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.