Home / 2,921,579.47-4,031,703.79-1,632,428.83

Finding the Fourth Proportional to 2,921,579.47, 4,031,703.79 and 1,632,428.83

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Solution

The fourth proportional to 2,921,579.47, 4,031,703.79 and 1,632,428.83 is: 2,252,709.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,579.47 : 4,031,703.79 = 1,632,428.83 : x
  2. Step 2: Convert to fraction form
    2,921,579.47/4,031,703.79 = 1,632,428.83/x
  3. Step 3: Cross multiply
    2,921,579.47x = 4,031,703.79 × 1,632,428.83
  4. Step 4: Simplify right side
    2,921,579.47x = 6,581,469,500,816.27
  5. Step 5: Solve for x
    x = 6,581,469,500,816.27/2,921,579.47
  6. Step 6: Final answer
    x = 2,252,709.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.