Home / 3,615,640.80-5,425,611.60-1,372,005.60

Finding the Fourth Proportional to 3,615,640.80, 5,425,611.60 and 1,372,005.60

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Solution

The fourth proportional to 3,615,640.80, 5,425,611.60 and 1,372,005.60 is: 2,058,824.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,640.80 : 5,425,611.60 = 1,372,005.60 : x
  2. Step 2: Convert to fraction form
    3,615,640.80/5,425,611.60 = 1,372,005.60/x
  3. Step 3: Cross multiply
    3,615,640.80x = 5,425,611.60 × 1,372,005.60
  4. Step 4: Simplify right side
    3,615,640.80x = 7,443,969,498,624.96
  5. Step 5: Solve for x
    x = 7,443,969,498,624.96/3,615,640.80
  6. Step 6: Final answer
    x = 2,058,824.40

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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.