Home / 6,619,905.20-9,929,857.80-2,360,212.40

Finding the Fourth Proportional to 6,619,905.20, 9,929,857.80 and 2,360,212.40

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Solution

The fourth proportional to 6,619,905.20, 9,929,857.80 and 2,360,212.40 is: 3,540,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619,905.20 : 9,929,857.80 = 2,360,212.40 : x
  2. Step 2: Convert to fraction form
    6,619,905.20/9,929,857.80 = 2,360,212.40/x
  3. Step 3: Cross multiply
    6,619,905.20x = 9,929,857.80 × 2,360,212.40
  4. Step 4: Simplify right side
    6,619,905.20x = 23,436,573,509,796.72
  5. Step 5: Solve for x
    x = 23,436,573,509,796.72/6,619,905.20
  6. Step 6: Final answer
    x = 3,540,318.60

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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.