Home / 1,947,917.70-2,921,876.55-1,806,200.10

Finding the Fourth Proportional to 1,947,917.70, 2,921,876.55 and 1,806,200.10

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Solution

The fourth proportional to 1,947,917.70, 2,921,876.55 and 1,806,200.10 is: 2,709,300.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,917.70 : 2,921,876.55 = 1,806,200.10 : x
  2. Step 2: Convert to fraction form
    1,947,917.70/2,921,876.55 = 1,806,200.10/x
  3. Step 3: Cross multiply
    1,947,917.70x = 2,921,876.55 × 1,806,200.10
  4. Step 4: Simplify right side
    1,947,917.70x = 5,277,493,716,797.66
  5. Step 5: Solve for x
    x = 5,277,493,716,797.66/1,947,917.70
  6. Step 6: Final answer
    x = 2,709,300.15

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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.