Home / 3,860,855.28-5,791,256.92-982,197.40

Finding the Fourth Proportional to 3,860,855.28, 5,791,256.92 and 982,197.40

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Solution

The fourth proportional to 3,860,855.28, 5,791,256.92 and 982,197.40 is: 1,473,289.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860,855.28 : 5,791,256.92 = 982,197.40 : x
  2. Step 2: Convert to fraction form
    3,860,855.28/5,791,256.92 = 982,197.40/x
  3. Step 3: Cross multiply
    3,860,855.28x = 5,791,256.92 × 982,197.40
  4. Step 4: Simplify right side
    3,860,855.28x = 5,688,157,489,556.01
  5. Step 5: Solve for x
    x = 5,688,157,489,556.01/3,860,855.28
  6. Step 6: Final answer
    x = 1,473,289.49

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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.