Home / 3,638,400.60-5,457,617.10-942,534.30

Finding the Fourth Proportional to 3,638,400.60, 5,457,617.10 and 942,534.30

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Solution

The fourth proportional to 3,638,400.60, 5,457,617.10 and 942,534.30 is: 1,413,805.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,400.60 : 5,457,617.10 = 942,534.30 : x
  2. Step 2: Convert to fraction form
    3,638,400.60/5,457,617.10 = 942,534.30/x
  3. Step 3: Cross multiply
    3,638,400.60x = 5,457,617.10 × 942,534.30
  4. Step 4: Simplify right side
    3,638,400.60x = 5,143,991,313,016.53
  5. Step 5: Solve for x
    x = 5,143,991,313,016.53/3,638,400.60
  6. Step 6: Final answer
    x = 1,413,805.65

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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.