Home / 5,638,346.30-7,780,921.81-3,060,027.02

Finding the Fourth Proportional to 5,638,346.30, 7,780,921.81 and 3,060,027.02

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Solution

The fourth proportional to 5,638,346.30, 7,780,921.81 and 3,060,027.02 is: 4,222,839.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,346.30 : 7,780,921.81 = 3,060,027.02 : x
  2. Step 2: Convert to fraction form
    5,638,346.30/7,780,921.81 = 3,060,027.02/x
  3. Step 3: Cross multiply
    5,638,346.30x = 7,780,921.81 × 3,060,027.02
  4. Step 4: Simplify right side
    5,638,346.30x = 23,809,830,979,107.30
  5. Step 5: Solve for x
    x = 23,809,830,979,107.30/5,638,346.30
  6. Step 6: Final answer
    x = 4,222,839.41

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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.