Home / 3,912,276.80-5,868,415.20-3,414,612.80

Finding the Fourth Proportional to 3,912,276.80, 5,868,415.20 and 3,414,612.80

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Solution

The fourth proportional to 3,912,276.80, 5,868,415.20 and 3,414,612.80 is: 5,121,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,276.80 : 5,868,415.20 = 3,414,612.80 : x
  2. Step 2: Convert to fraction form
    3,912,276.80/5,868,415.20 = 3,414,612.80/x
  3. Step 3: Cross multiply
    3,912,276.80x = 5,868,415.20 × 3,414,612.80
  4. Step 4: Simplify right side
    3,912,276.80x = 20,038,365,657,634.56
  5. Step 5: Solve for x
    x = 20,038,365,657,634.56/3,912,276.80
  6. Step 6: Final answer
    x = 5,121,919.20

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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.