Home / 2,821,985.76-3,894,369.68-1,532,851.36

Finding the Fourth Proportional to 2,821,985.76, 3,894,369.68 and 1,532,851.36

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Solution

The fourth proportional to 2,821,985.76, 3,894,369.68 and 1,532,851.36 is: 2,115,350.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,985.76 : 3,894,369.68 = 1,532,851.36 : x
  2. Step 2: Convert to fraction form
    2,821,985.76/3,894,369.68 = 1,532,851.36/x
  3. Step 3: Cross multiply
    2,821,985.76x = 3,894,369.68 × 1,532,851.36
  4. Step 4: Simplify right side
    2,821,985.76x = 5,969,489,860,330.77
  5. Step 5: Solve for x
    x = 5,969,489,860,330.77/2,821,985.76
  6. Step 6: Final answer
    x = 2,115,350.81

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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.