Home / 3,478,273.80-5,217,410.70-2,638,465.80

Finding the Fourth Proportional to 3,478,273.80, 5,217,410.70 and 2,638,465.80

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Solution

The fourth proportional to 3,478,273.80, 5,217,410.70 and 2,638,465.80 is: 3,957,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,273.80 : 5,217,410.70 = 2,638,465.80 : x
  2. Step 2: Convert to fraction form
    3,478,273.80/5,217,410.70 = 2,638,465.80/x
  3. Step 3: Cross multiply
    3,478,273.80x = 5,217,410.70 × 2,638,465.80
  4. Step 4: Simplify right side
    3,478,273.80x = 13,765,959,696,504.06
  5. Step 5: Solve for x
    x = 13,765,959,696,504.06/3,478,273.80
  6. Step 6: Final answer
    x = 3,957,698.70

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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.