Home / 3,107,915.43-4,662,594.33-977,944.20

Finding the Fourth Proportional to 3,107,915.43, 4,662,594.33 and 977,944.20

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Solution

The fourth proportional to 3,107,915.43, 4,662,594.33 and 977,944.20 is: 1,467,143.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107,915.43 : 4,662,594.33 = 977,944.20 : x
  2. Step 2: Convert to fraction form
    3,107,915.43/4,662,594.33 = 977,944.20/x
  3. Step 3: Cross multiply
    3,107,915.43x = 4,662,594.33 × 977,944.20
  4. Step 4: Simplify right side
    3,107,915.43x = 4,559,757,081,976.39
  5. Step 5: Solve for x
    x = 4,559,757,081,976.39/3,107,915.43
  6. Step 6: Final answer
    x = 1,467,143.23

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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.