Home / 5,139,119.36-7,700,269.08-3,111,216.86

Finding the Fourth Proportional to 5,139,119.36, 7,700,269.08 and 3,111,216.86

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Solution

The fourth proportional to 5,139,119.36, 7,700,269.08 and 3,111,216.86 is: 4,661,733.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139,119.36 : 7,700,269.08 = 3,111,216.86 : x
  2. Step 2: Convert to fraction form
    5,139,119.36/7,700,269.08 = 3,111,216.86/x
  3. Step 3: Cross multiply
    5,139,119.36x = 7,700,269.08 × 3,111,216.86
  4. Step 4: Simplify right side
    5,139,119.36x = 23,957,206,988,232.69
  5. Step 5: Solve for x
    x = 23,957,206,988,232.69/5,139,119.36
  6. Step 6: Final answer
    x = 4,661,733.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.