Home / 3,781,819.53-5,219,346.51-2,105,571.51

Finding the Fourth Proportional to 3,781,819.53, 5,219,346.51 and 2,105,571.51

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Solution

The fourth proportional to 3,781,819.53, 5,219,346.51 and 2,105,571.51 is: 2,905,931.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781,819.53 : 5,219,346.51 = 2,105,571.51 : x
  2. Step 2: Convert to fraction form
    3,781,819.53/5,219,346.51 = 2,105,571.51/x
  3. Step 3: Cross multiply
    3,781,819.53x = 5,219,346.51 × 2,105,571.51
  4. Step 4: Simplify right side
    3,781,819.53x = 10,989,707,312,273.93
  5. Step 5: Solve for x
    x = 10,989,707,312,273.93/3,781,819.53
  6. Step 6: Final answer
    x = 2,905,931.19

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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.