Home / 6,439,395.20-9,659,092.80-4,311,881.60

Finding the Fourth Proportional to 6,439,395.20, 9,659,092.80 and 4,311,881.60

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Solution

The fourth proportional to 6,439,395.20, 9,659,092.80 and 4,311,881.60 is: 6,467,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,395.20 : 9,659,092.80 = 4,311,881.60 : x
  2. Step 2: Convert to fraction form
    6,439,395.20/9,659,092.80 = 4,311,881.60/x
  3. Step 3: Cross multiply
    6,439,395.20x = 9,659,092.80 × 4,311,881.60
  4. Step 4: Simplify right side
    6,439,395.20x = 41,648,864,517,012.48
  5. Step 5: Solve for x
    x = 41,648,864,517,012.48/6,439,395.20
  6. Step 6: Final answer
    x = 6,467,822.40

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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.