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Finding the Fourth Proportional to 3,000,564, 4,501,241.48 and 978,099.30

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Solution

The fourth proportional to 3,000,564, 4,501,241.48 and 978,099.30 is: 1,467,277.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000,564 : 4,501,241.48 = 978,099.30 : x
  2. Step 2: Convert to fraction form
    3,000,564/4,501,241.48 = 978,099.30/x
  3. Step 3: Cross multiply
    3,000,564x = 4,501,241.48 × 978,099.30
  4. Step 4: Simplify right side
    3,000,564x = 4,402,661,143,164.21
  5. Step 5: Solve for x
    x = 4,402,661,143,164.21/3,000,564
  6. Step 6: Final answer
    x = 1,467,277.87

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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.