Home / 3,945,341.78-5,448,331.78-3,730,400.08

Finding the Fourth Proportional to 3,945,341.78, 5,448,331.78 and 3,730,400.08

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Solution

The fourth proportional to 3,945,341.78, 5,448,331.78 and 3,730,400.08 is: 5,151,507.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945,341.78 : 5,448,331.78 = 3,730,400.08 : x
  2. Step 2: Convert to fraction form
    3,945,341.78/5,448,331.78 = 3,730,400.08/x
  3. Step 3: Cross multiply
    3,945,341.78x = 5,448,331.78 × 3,730,400.08
  4. Step 4: Simplify right side
    3,945,341.78x = 20,324,457,319,451.96
  5. Step 5: Solve for x
    x = 20,324,457,319,451.96/3,945,341.78
  6. Step 6: Final answer
    x = 5,151,507.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.