Home / 2,916,192.52-4,374,288.78-921,493

Finding the Fourth Proportional to 2,916,192.52, 4,374,288.78 and 921,493

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Solution

The fourth proportional to 2,916,192.52, 4,374,288.78 and 921,493 is: 1,382,239.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,192.52 : 4,374,288.78 = 921,493 : x
  2. Step 2: Convert to fraction form
    2,916,192.52/4,374,288.78 = 921,493/x
  3. Step 3: Cross multiply
    2,916,192.52x = 4,374,288.78 × 921,493
  4. Step 4: Simplify right side
    2,916,192.52x = 4,030,876,490,748.54
  5. Step 5: Solve for x
    x = 4,030,876,490,748.54/2,916,192.52
  6. Step 6: Final answer
    x = 1,382,239.50

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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.