Home / 3,998,710.66-5,998,687.92-1,302,408.25

Finding the Fourth Proportional to 3,998,710.66, 5,998,687.92 and 1,302,408.25

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Solution

The fourth proportional to 3,998,710.66, 5,998,687.92 and 1,302,408.25 is: 1,953,814.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998,710.66 : 5,998,687.92 = 1,302,408.25 : x
  2. Step 2: Convert to fraction form
    3,998,710.66/5,998,687.92 = 1,302,408.25/x
  3. Step 3: Cross multiply
    3,998,710.66x = 5,998,687.92 × 1,302,408.25
  4. Step 4: Simplify right side
    3,998,710.66x = 7,812,740,636,183.34
  5. Step 5: Solve for x
    x = 7,812,740,636,183.34/3,998,710.66
  6. Step 6: Final answer
    x = 1,953,814.94

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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.