Home / 5,227,706.70-7,841,948.85-1,861,476.30

Finding the Fourth Proportional to 5,227,706.70, 7,841,948.85 and 1,861,476.30

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Solution

The fourth proportional to 5,227,706.70, 7,841,948.85 and 1,861,476.30 is: 2,792,352.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227,706.70 : 7,841,948.85 = 1,861,476.30 : x
  2. Step 2: Convert to fraction form
    5,227,706.70/7,841,948.85 = 1,861,476.30/x
  3. Step 3: Cross multiply
    5,227,706.70x = 7,841,948.85 × 1,861,476.30
  4. Step 4: Simplify right side
    5,227,706.70x = 14,597,601,930,087.25
  5. Step 5: Solve for x
    x = 14,597,601,930,087.25/5,227,706.70
  6. Step 6: Final answer
    x = 2,792,352.89

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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.