Home / 2,190,176.80-3,285,265.20-1,246,458.40

Finding the Fourth Proportional to 2,190,176.80, 3,285,265.20 and 1,246,458.40

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Solution

The fourth proportional to 2,190,176.80, 3,285,265.20 and 1,246,458.40 is: 1,869,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,176.80 : 3,285,265.20 = 1,246,458.40 : x
  2. Step 2: Convert to fraction form
    2,190,176.80/3,285,265.20 = 1,246,458.40/x
  3. Step 3: Cross multiply
    2,190,176.80x = 3,285,265.20 × 1,246,458.40
  4. Step 4: Simplify right side
    2,190,176.80x = 4,094,946,404,767.68
  5. Step 5: Solve for x
    x = 4,094,946,404,767.68/2,190,176.80
  6. Step 6: Final answer
    x = 1,869,687.60

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Similar ratio
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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.