Home / 3,478,018.77-5,217,911.19-1,081,881.45

Finding the Fourth Proportional to 3,478,018.77, 5,217,911.19 and 1,081,881.45

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Solution

The fourth proportional to 3,478,018.77, 5,217,911.19 and 1,081,881.45 is: 1,623,096.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,018.77 : 5,217,911.19 = 1,081,881.45 : x
  2. Step 2: Convert to fraction form
    3,478,018.77/5,217,911.19 = 1,081,881.45/x
  3. Step 3: Cross multiply
    3,478,018.77x = 5,217,911.19 × 1,081,881.45
  4. Step 4: Simplify right side
    3,478,018.77x = 5,645,161,324,208.43
  5. Step 5: Solve for x
    x = 5,645,161,324,208.43/3,478,018.77
  6. Step 6: Final answer
    x = 1,623,096.85

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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.