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Finding the Fourth Proportional to 1,663,241.60, 2,494,862.40 and 1,597,923.20

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Solution

The fourth proportional to 1,663,241.60, 2,494,862.40 and 1,597,923.20 is: 2,396,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,241.60 : 2,494,862.40 = 1,597,923.20 : x
  2. Step 2: Convert to fraction form
    1,663,241.60/2,494,862.40 = 1,597,923.20/x
  3. Step 3: Cross multiply
    1,663,241.60x = 2,494,862.40 × 1,597,923.20
  4. Step 4: Simplify right side
    1,663,241.60x = 3,986,598,509,767.68
  5. Step 5: Solve for x
    x = 3,986,598,509,767.68/1,663,241.60
  6. Step 6: Final answer
    x = 2,396,884.80

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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.