Home / 1,899,173.92-2,620,860.60-1,039,788.76

Finding the Fourth Proportional to 1,899,173.92, 2,620,860.60 and 1,039,788.76

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Solution

The fourth proportional to 1,899,173.92, 2,620,860.60 and 1,039,788.76 is: 1,434,908.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,173.92 : 2,620,860.60 = 1,039,788.76 : x
  2. Step 2: Convert to fraction form
    1,899,173.92/2,620,860.60 = 1,039,788.76/x
  3. Step 3: Cross multiply
    1,899,173.92x = 2,620,860.60 × 1,039,788.76
  4. Step 4: Simplify right side
    1,899,173.92x = 2,725,141,393,406.86
  5. Step 5: Solve for x
    x = 2,725,141,393,406.86/1,899,173.92
  6. Step 6: Final answer
    x = 1,434,908.81

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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.