Home / 2,087,591.05-2,880,826.75-1,228,206.56

Finding the Fourth Proportional to 2,087,591.05, 2,880,826.75 and 1,228,206.56

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Solution

The fourth proportional to 2,087,591.05, 2,880,826.75 and 1,228,206.56 is: 1,694,896.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,591.05 : 2,880,826.75 = 1,228,206.56 : x
  2. Step 2: Convert to fraction form
    2,087,591.05/2,880,826.75 = 1,228,206.56/x
  3. Step 3: Cross multiply
    2,087,591.05x = 2,880,826.75 × 1,228,206.56
  4. Step 4: Simplify right side
    2,087,591.05x = 3,538,250,319,363.59
  5. Step 5: Solve for x
    x = 3,538,250,319,363.59/2,087,591.05
  6. Step 6: Final answer
    x = 1,694,896.29

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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.