Home / 2,110,563.94-2,912,580.70-1,143,685.78

Finding the Fourth Proportional to 2,110,563.94, 2,912,580.70 and 1,143,685.78

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Solution

The fourth proportional to 2,110,563.94, 2,912,580.70 and 1,143,685.78 is: 1,578,287.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110,563.94 : 2,912,580.70 = 1,143,685.78 : x
  2. Step 2: Convert to fraction form
    2,110,563.94/2,912,580.70 = 1,143,685.78/x
  3. Step 3: Cross multiply
    2,110,563.94x = 2,912,580.70 × 1,143,685.78
  4. Step 4: Simplify right side
    2,110,563.94x = 3,331,077,129,692.45
  5. Step 5: Solve for x
    x = 3,331,077,129,692.45/2,110,563.94
  6. Step 6: Final answer
    x = 1,578,287.71

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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.