Home / 7,243,787.20-10,865,680.80-2,194,441.60

Finding the Fourth Proportional to 7,243,787.20, 10,865,680.80 and 2,194,441.60

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Solution

The fourth proportional to 7,243,787.20, 10,865,680.80 and 2,194,441.60 is: 3,291,662.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,787.20 : 10,865,680.80 = 2,194,441.60 : x
  2. Step 2: Convert to fraction form
    7,243,787.20/10,865,680.80 = 2,194,441.60/x
  3. Step 3: Cross multiply
    7,243,787.20x = 10,865,680.80 × 2,194,441.60
  4. Step 4: Simplify right side
    7,243,787.20x = 23,844,101,959,841.28
  5. Step 5: Solve for x
    x = 23,844,101,959,841.28/7,243,787.20
  6. Step 6: Final answer
    x = 3,291,662.40

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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.