Home / 1,912,180.56-2,638,709-1,052,572.92

Finding the Fourth Proportional to 1,912,180.56, 2,638,709 and 1,052,572.92

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Solution

The fourth proportional to 1,912,180.56, 2,638,709 and 1,052,572.92 is: 1,452,495.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,180.56 : 2,638,709 = 1,052,572.92 : x
  2. Step 2: Convert to fraction form
    1,912,180.56/2,638,709 = 1,052,572.92/x
  3. Step 3: Cross multiply
    1,912,180.56x = 2,638,709 × 1,052,572.92
  4. Step 4: Simplify right side
    1,912,180.56x = 2,777,433,637,160.28
  5. Step 5: Solve for x
    x = 2,777,433,637,160.28/1,912,180.56
  6. Step 6: Final answer
    x = 1,452,495.49

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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.