Home / 2,691,140.10-4,039,662.60-1,681,402.20

Finding the Fourth Proportional to 2,691,140.10, 4,039,662.60 and 1,681,402.20

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Solution

The fourth proportional to 2,691,140.10, 4,039,662.60 and 1,681,402.20 is: 2,523,947.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691,140.10 : 4,039,662.60 = 1,681,402.20 : x
  2. Step 2: Convert to fraction form
    2,691,140.10/4,039,662.60 = 1,681,402.20/x
  3. Step 3: Cross multiply
    2,691,140.10x = 4,039,662.60 × 1,681,402.20
  4. Step 4: Simplify right side
    2,691,140.10x = 6,792,297,582,897.72
  5. Step 5: Solve for x
    x = 6,792,297,582,897.72/2,691,140.10
  6. Step 6: Final answer
    x = 2,523,947.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.