Home / 3,418,857.06-5,130,035.22-1,398,593.94

Finding the Fourth Proportional to 3,418,857.06, 5,130,035.22 and 1,398,593.94

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Solution

The fourth proportional to 3,418,857.06, 5,130,035.22 and 1,398,593.94 is: 2,098,606.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418,857.06 : 5,130,035.22 = 1,398,593.94 : x
  2. Step 2: Convert to fraction form
    3,418,857.06/5,130,035.22 = 1,398,593.94/x
  3. Step 3: Cross multiply
    3,418,857.06x = 5,130,035.22 × 1,398,593.94
  4. Step 4: Simplify right side
    3,418,857.06x = 7,174,836,170,678.57
  5. Step 5: Solve for x
    x = 7,174,836,170,678.57/3,418,857.06
  6. Step 6: Final answer
    x = 2,098,606.65

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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.