Home / 3,141,383.48-4,707,715.74-1,431,347.68

Finding the Fourth Proportional to 3,141,383.48, 4,707,715.74 and 1,431,347.68

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Solution

The fourth proportional to 3,141,383.48, 4,707,715.74 and 1,431,347.68 is: 2,145,035.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141,383.48 : 4,707,715.74 = 1,431,347.68 : x
  2. Step 2: Convert to fraction form
    3,141,383.48/4,707,715.74 = 1,431,347.68/x
  3. Step 3: Cross multiply
    3,141,383.48x = 4,707,715.74 × 1,431,347.68
  4. Step 4: Simplify right side
    3,141,383.48x = 6,738,377,989,049.49
  5. Step 5: Solve for x
    x = 6,738,377,989,049.49/3,141,383.48
  6. Step 6: Final answer
    x = 2,145,035.15

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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.