Home / 1,912,180.54-2,638,708.98-1,052,572.90

Finding the Fourth Proportional to 1,912,180.54, 2,638,708.98 and 1,052,572.90

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Solution

The fourth proportional to 1,912,180.54, 2,638,708.98 and 1,052,572.90 is: 1,452,495.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,180.54 : 2,638,708.98 = 1,052,572.90 : x
  2. Step 2: Convert to fraction form
    1,912,180.54/2,638,708.98 = 1,052,572.90/x
  3. Step 3: Cross multiply
    1,912,180.54x = 2,638,708.98 × 1,052,572.90
  4. Step 4: Simplify right side
    1,912,180.54x = 2,777,433,563,334.64
  5. Step 5: Solve for x
    x = 2,777,433,563,334.64/1,912,180.54
  6. Step 6: Final answer
    x = 1,452,495.47

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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.