Home / 1,912,188.56-2,638,720.04-1,052,580.92

Finding the Fourth Proportional to 1,912,188.56, 2,638,720.04 and 1,052,580.92

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Solution

The fourth proportional to 1,912,188.56, 2,638,720.04 and 1,052,580.92 is: 1,452,506.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,188.56 : 2,638,720.04 = 1,052,580.92 : x
  2. Step 2: Convert to fraction form
    1,912,188.56/2,638,720.04 = 1,052,580.92/x
  3. Step 3: Cross multiply
    1,912,188.56x = 2,638,720.04 × 1,052,580.92
  4. Step 4: Simplify right side
    1,912,188.56x = 2,777,466,367,325.64
  5. Step 5: Solve for x
    x = 2,777,466,367,325.64/1,912,188.56
  6. Step 6: Final answer
    x = 1,452,506.53

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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.