Home / 1,685,780.80-2,522,450.40-1,536,481.60

Finding the Fourth Proportional to 1,685,780.80, 2,522,450.40 and 1,536,481.60

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Solution

The fourth proportional to 1,685,780.80, 2,522,450.40 and 1,536,481.60 is: 2,299,052.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,780.80 : 2,522,450.40 = 1,536,481.60 : x
  2. Step 2: Convert to fraction form
    1,685,780.80/2,522,450.40 = 1,536,481.60/x
  3. Step 3: Cross multiply
    1,685,780.80x = 2,522,450.40 × 1,536,481.60
  4. Step 4: Simplify right side
    1,685,780.80x = 3,875,698,626,512.64
  5. Step 5: Solve for x
    x = 3,875,698,626,512.64/1,685,780.80
  6. Step 6: Final answer
    x = 2,299,052.54

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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.