Home / 5,515,663.88-8,273,532.58-1,921,498.88

Finding the Fourth Proportional to 5,515,663.88, 8,273,532.58 and 1,921,498.88

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Solution

The fourth proportional to 5,515,663.88, 8,273,532.58 and 1,921,498.88 is: 2,882,261.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515,663.88 : 8,273,532.58 = 1,921,498.88 : x
  2. Step 2: Convert to fraction form
    5,515,663.88/8,273,532.58 = 1,921,498.88/x
  3. Step 3: Cross multiply
    5,515,663.88x = 8,273,532.58 × 1,921,498.88
  4. Step 4: Simplify right side
    5,515,663.88x = 15,897,583,539,942.10
  5. Step 5: Solve for x
    x = 15,897,583,539,942.10/5,515,663.88
  6. Step 6: Final answer
    x = 2,882,261.12

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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.