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Finding the Fourth Proportional to 2,950,807.90, 4,419,213.45 and 2,950,807.90

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Solution

The fourth proportional to 2,950,807.90, 4,419,213.45 and 2,950,807.90 is: 4,419,213.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950,807.90 : 4,419,213.45 = 2,950,807.90 : x
  2. Step 2: Convert to fraction form
    2,950,807.90/4,419,213.45 = 2,950,807.90/x
  3. Step 3: Cross multiply
    2,950,807.90x = 4,419,213.45 × 2,950,807.90
  4. Step 4: Simplify right side
    2,950,807.90x = 13,040,249,960,046.26
  5. Step 5: Solve for x
    x = 13,040,249,960,046.26/2,950,807.90
  6. Step 6: Final answer
    x = 4,419,213.45

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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.