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Finding the Fourth Proportional to 5,288,670.48, 7,933,007.48 and 1,450,532.88

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Solution

The fourth proportional to 5,288,670.48, 7,933,007.48 and 1,450,532.88 is: 2,175,799.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288,670.48 : 7,933,007.48 = 1,450,532.88 : x
  2. Step 2: Convert to fraction form
    5,288,670.48/7,933,007.48 = 1,450,532.88/x
  3. Step 3: Cross multiply
    5,288,670.48x = 7,933,007.48 × 1,450,532.88
  4. Step 4: Simplify right side
    5,288,670.48x = 11,507,088,187,025.94
  5. Step 5: Solve for x
    x = 11,507,088,187,025.94/5,288,670.48
  6. Step 6: Final answer
    x = 2,175,799.80

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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.