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Finding the Fourth Proportional to 5,284,504.70, 7,926,464.52 and 1,446,051.62

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Solution

The fourth proportional to 5,284,504.70, 7,926,464.52 and 1,446,051.62 is: 2,168,997.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284,504.70 : 7,926,464.52 = 1,446,051.62 : x
  2. Step 2: Convert to fraction form
    5,284,504.70/7,926,464.52 = 1,446,051.62/x
  3. Step 3: Cross multiply
    5,284,504.70x = 7,926,464.52 × 1,446,051.62
  4. Step 4: Simplify right side
    5,284,504.70x = 11,462,076,860,018.52
  5. Step 5: Solve for x
    x = 11,462,076,860,018.52/5,284,504.70
  6. Step 6: Final answer
    x = 2,168,997.38

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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.