Home / 5,192,006.72-7,788,005.76-1,954,149.44

Finding the Fourth Proportional to 5,192,006.72, 7,788,005.76 and 1,954,149.44

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Solution

The fourth proportional to 5,192,006.72, 7,788,005.76 and 1,954,149.44 is: 2,931,222.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192,006.72 : 7,788,005.76 = 1,954,149.44 : x
  2. Step 2: Convert to fraction form
    5,192,006.72/7,788,005.76 = 1,954,149.44/x
  3. Step 3: Cross multiply
    5,192,006.72x = 7,788,005.76 × 1,954,149.44
  4. Step 4: Simplify right side
    5,192,006.72x = 15,218,927,094,620.77
  5. Step 5: Solve for x
    x = 15,218,927,094,620.77/5,192,006.72
  6. Step 6: Final answer
    x = 2,931,222.53

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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.