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Finding the Fourth Proportional to 3,607,817.01, 5,411,978.03 and 1,448,841.79

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Solution

The fourth proportional to 3,607,817.01, 5,411,978.03 and 1,448,841.79 is: 2,173,364.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607,817.01 : 5,411,978.03 = 1,448,841.79 : x
  2. Step 2: Convert to fraction form
    3,607,817.01/5,411,978.03 = 1,448,841.79/x
  3. Step 3: Cross multiply
    3,607,817.01x = 5,411,978.03 × 1,448,841.79
  4. Step 4: Simplify right side
    3,607,817.01x = 7,841,099,936,425.87
  5. Step 5: Solve for x
    x = 7,841,099,936,425.87/3,607,817.01
  6. Step 6: Final answer
    x = 2,173,364.09

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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.