Home / 4,189,545.72-5,781,579.93-2,378,709.72

Finding the Fourth Proportional to 4,189,545.72, 5,781,579.93 and 2,378,709.72

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Solution

The fourth proportional to 4,189,545.72, 5,781,579.93 and 2,378,709.72 is: 3,282,623.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189,545.72 : 5,781,579.93 = 2,378,709.72 : x
  2. Step 2: Convert to fraction form
    4,189,545.72/5,781,579.93 = 2,378,709.72/x
  3. Step 3: Cross multiply
    4,189,545.72x = 5,781,579.93 × 2,378,709.72
  4. Step 4: Simplify right side
    4,189,545.72x = 13,752,700,376,447.92
  5. Step 5: Solve for x
    x = 13,752,700,376,447.92/4,189,545.72
  6. Step 6: Final answer
    x = 3,282,623.30

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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.