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Finding the Fourth Proportional to 1,642,381.60, 2,458,906.80 and 1,642,381.60

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Solution

The fourth proportional to 1,642,381.60, 2,458,906.80 and 1,642,381.60 is: 2,458,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,381.60 : 2,458,906.80 = 1,642,381.60 : x
  2. Step 2: Convert to fraction form
    1,642,381.60/2,458,906.80 = 1,642,381.60/x
  3. Step 3: Cross multiply
    1,642,381.60x = 2,458,906.80 × 1,642,381.60
  4. Step 4: Simplify right side
    1,642,381.60x = 4,038,463,284,434.88
  5. Step 5: Solve for x
    x = 4,038,463,284,434.88/1,642,381.60
  6. Step 6: Final answer
    x = 2,458,906.80

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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.