Home / 3,147,847.92-4,720,468.14-988,151.40

Finding the Fourth Proportional to 3,147,847.92, 4,720,468.14 and 988,151.40

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Solution

The fourth proportional to 3,147,847.92, 4,720,468.14 and 988,151.40 is: 1,481,817.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,847.92 : 4,720,468.14 = 988,151.40 : x
  2. Step 2: Convert to fraction form
    3,147,847.92/4,720,468.14 = 988,151.40/x
  3. Step 3: Cross multiply
    3,147,847.92x = 4,720,468.14 × 988,151.40
  4. Step 4: Simplify right side
    3,147,847.92x = 4,664,537,201,196.40
  5. Step 5: Solve for x
    x = 4,664,537,201,196.40/3,147,847.92
  6. Step 6: Final answer
    x = 1,481,817.84

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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.