Home / 3,221,418.78-4,832,157.28-977,556.78

Finding the Fourth Proportional to 3,221,418.78, 4,832,157.28 and 977,556.78

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Solution

The fourth proportional to 3,221,418.78, 4,832,157.28 and 977,556.78 is: 1,466,344.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221,418.78 : 4,832,157.28 = 977,556.78 : x
  2. Step 2: Convert to fraction form
    3,221,418.78/4,832,157.28 = 977,556.78/x
  3. Step 3: Cross multiply
    3,221,418.78x = 4,832,157.28 × 977,556.78
  4. Step 4: Simplify right side
    3,221,418.78x = 4,723,708,111,090.36
  5. Step 5: Solve for x
    x = 4,723,708,111,090.36/3,221,418.78
  6. Step 6: Final answer
    x = 1,466,344.00

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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.