Home / 6,436,200.80-9,640,304.40-3,907,445.60

Finding the Fourth Proportional to 6,436,200.80, 9,640,304.40 and 3,907,445.60

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Solution

The fourth proportional to 6,436,200.80, 9,640,304.40 and 3,907,445.60 is: 5,852,670.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,436,200.80 : 9,640,304.40 = 3,907,445.60 : x
  2. Step 2: Convert to fraction form
    6,436,200.80/9,640,304.40 = 3,907,445.60/x
  3. Step 3: Cross multiply
    6,436,200.80x = 9,640,304.40 × 3,907,445.60
  4. Step 4: Simplify right side
    6,436,200.80x = 37,668,965,010,440.64
  5. Step 5: Solve for x
    x = 37,668,965,010,440.64/6,436,200.80
  6. Step 6: Final answer
    x = 5,852,670.88

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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.