Home / 4,205,851.12-6,309,301.20-1,646,735.68

Finding the Fourth Proportional to 4,205,851.12, 6,309,301.20 and 1,646,735.68

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Solution

The fourth proportional to 4,205,851.12, 6,309,301.20 and 1,646,735.68 is: 2,470,308.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205,851.12 : 6,309,301.20 = 1,646,735.68 : x
  2. Step 2: Convert to fraction form
    4,205,851.12/6,309,301.20 = 1,646,735.68/x
  3. Step 3: Cross multiply
    4,205,851.12x = 6,309,301.20 × 1,646,735.68
  4. Step 4: Simplify right side
    4,205,851.12x = 10,389,751,401,906.82
  5. Step 5: Solve for x
    x = 10,389,751,401,906.82/4,205,851.12
  6. Step 6: Final answer
    x = 2,470,308.89

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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.