Home / 3,478,005.40-5,214,578.10-2,057,330.20

Finding the Fourth Proportional to 3,478,005.40, 5,214,578.10 and 2,057,330.20

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Solution

The fourth proportional to 3,478,005.40, 5,214,578.10 and 2,057,330.20 is: 3,084,557.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,005.40 : 5,214,578.10 = 2,057,330.20 : x
  2. Step 2: Convert to fraction form
    3,478,005.40/5,214,578.10 = 2,057,330.20/x
  3. Step 3: Cross multiply
    3,478,005.40x = 5,214,578.10 × 2,057,330.20
  4. Step 4: Simplify right side
    3,478,005.40x = 10,728,109,005,388.62
  5. Step 5: Solve for x
    x = 10,728,109,005,388.62/3,478,005.40
  6. Step 6: Final answer
    x = 3,084,557.89

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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.