Home / 2,196,513.20-3,296,738.10-1,897,331.60

Finding the Fourth Proportional to 2,196,513.20, 3,296,738.10 and 1,897,331.60

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Solution

The fourth proportional to 2,196,513.20, 3,296,738.10 and 1,897,331.60 is: 2,847,697.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,196,513.20 : 3,296,738.10 = 1,897,331.60 : x
  2. Step 2: Convert to fraction form
    2,196,513.20/3,296,738.10 = 1,897,331.60/x
  3. Step 3: Cross multiply
    2,196,513.20x = 3,296,738.10 × 1,897,331.60
  4. Step 4: Simplify right side
    2,196,513.20x = 6,255,005,374,053.96
  5. Step 5: Solve for x
    x = 6,255,005,374,053.96/2,196,513.20
  6. Step 6: Final answer
    x = 2,847,697.60

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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.