Home / 5,186,678.82-7,149,050.19-3,467,171.94

Finding the Fourth Proportional to 5,186,678.82, 7,149,050.19 and 3,467,171.94

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Solution

The fourth proportional to 5,186,678.82, 7,149,050.19 and 3,467,171.94 is: 4,778,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186,678.82 : 7,149,050.19 = 3,467,171.94 : x
  2. Step 2: Convert to fraction form
    5,186,678.82/7,149,050.19 = 3,467,171.94/x
  3. Step 3: Cross multiply
    5,186,678.82x = 7,149,050.19 × 3,467,171.94
  4. Step 4: Simplify right side
    5,186,678.82x = 24,786,986,216,419.67
  5. Step 5: Solve for x
    x = 24,786,986,216,419.67/5,186,678.82
  6. Step 6: Final answer
    x = 4,778,970.72

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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.