Home / 4,309,090.74-6,461,648.87-1,275,371.82

Finding the Fourth Proportional to 4,309,090.74, 6,461,648.87 and 1,275,371.82

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Solution

The fourth proportional to 4,309,090.74, 6,461,648.87 and 1,275,371.82 is: 1,912,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309,090.74 : 6,461,648.87 = 1,275,371.82 : x
  2. Step 2: Convert to fraction form
    4,309,090.74/6,461,648.87 = 1,275,371.82/x
  3. Step 3: Cross multiply
    4,309,090.74x = 6,461,648.87 × 1,275,371.82
  4. Step 4: Simplify right side
    4,309,090.74x = 8,241,004,873,155.99
  5. Step 5: Solve for x
    x = 8,241,004,873,155.99/4,309,090.74
  6. Step 6: Final answer
    x = 1,912,469.56

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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.