Home / 4,750,850.40-7,128,025.20-1,912,999.20

Finding the Fourth Proportional to 4,750,850.40, 7,128,025.20 and 1,912,999.20

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Solution

The fourth proportional to 4,750,850.40, 7,128,025.20 and 1,912,999.20 is: 2,870,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,750,850.40 : 7,128,025.20 = 1,912,999.20 : x
  2. Step 2: Convert to fraction form
    4,750,850.40/7,128,025.20 = 1,912,999.20/x
  3. Step 3: Cross multiply
    4,750,850.40x = 7,128,025.20 × 1,912,999.20
  4. Step 4: Simplify right side
    4,750,850.40x = 13,635,906,505,179.84
  5. Step 5: Solve for x
    x = 13,635,906,505,179.84/4,750,850.40
  6. Step 6: Final answer
    x = 2,870,203.30

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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.