Home / 3,478,006.40-5,214,579.60-2,057,331.20

Finding the Fourth Proportional to 3,478,006.40, 5,214,579.60 and 2,057,331.20

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Solution

The fourth proportional to 3,478,006.40, 5,214,579.60 and 2,057,331.20 is: 3,084,559.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,006.40 : 5,214,579.60 = 2,057,331.20 : x
  2. Step 2: Convert to fraction form
    3,478,006.40/5,214,579.60 = 2,057,331.20/x
  3. Step 3: Cross multiply
    3,478,006.40x = 5,214,579.60 × 2,057,331.20
  4. Step 4: Simplify right side
    3,478,006.40x = 10,728,117,305,963.52
  5. Step 5: Solve for x
    x = 10,728,117,305,963.52/3,478,006.40
  6. Step 6: Final answer
    x = 3,084,559.39

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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.