Home / 2,059,604.80-3,089,637.60-639,649.60

Finding the Fourth Proportional to 2,059,604.80, 3,089,637.60 and 639,649.60

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Solution

The fourth proportional to 2,059,604.80, 3,089,637.60 and 639,649.60 is: 959,545.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059,604.80 : 3,089,637.60 = 639,649.60 : x
  2. Step 2: Convert to fraction form
    2,059,604.80/3,089,637.60 = 639,649.60/x
  3. Step 3: Cross multiply
    2,059,604.80x = 3,089,637.60 × 639,649.60
  4. Step 4: Simplify right side
    2,059,604.80x = 1,976,285,454,984.96
  5. Step 5: Solve for x
    x = 1,976,285,454,984.96/2,059,604.80
  6. Step 6: Final answer
    x = 959,545.96

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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.