Home / 5,108,141.61-7,661,990.70-1,269,883.71

Finding the Fourth Proportional to 5,108,141.61, 7,661,990.70 and 1,269,883.71

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Solution

The fourth proportional to 5,108,141.61, 7,661,990.70 and 1,269,883.71 is: 1,904,770.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108,141.61 : 7,661,990.70 = 1,269,883.71 : x
  2. Step 2: Convert to fraction form
    5,108,141.61/7,661,990.70 = 1,269,883.71/x
  3. Step 3: Cross multiply
    5,108,141.61x = 7,661,990.70 × 1,269,883.71
  4. Step 4: Simplify right side
    5,108,141.61x = 9,729,837,176,101.50
  5. Step 5: Solve for x
    x = 9,729,837,176,101.50/5,108,141.61
  6. Step 6: Final answer
    x = 1,904,770.45

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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.