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Finding the Fourth Proportional to 1,728,008.80, 2,413,613.60 and 1,728,008.80

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Solution

The fourth proportional to 1,728,008.80, 2,413,613.60 and 1,728,008.80 is: 2,413,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,008.80 : 2,413,613.60 = 1,728,008.80 : x
  2. Step 2: Convert to fraction form
    1,728,008.80/2,413,613.60 = 1,728,008.80/x
  3. Step 3: Cross multiply
    1,728,008.80x = 2,413,613.60 × 1,728,008.80
  4. Step 4: Simplify right side
    1,728,008.80x = 4,170,745,540,599.68
  5. Step 5: Solve for x
    x = 4,170,745,540,599.68/1,728,008.80
  6. Step 6: Final answer
    x = 2,413,613.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.