Home / 2,672,993.40-4,009,490.10-2,644,999.80

Finding the Fourth Proportional to 2,672,993.40, 4,009,490.10 and 2,644,999.80

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Solution

The fourth proportional to 2,672,993.40, 4,009,490.10 and 2,644,999.80 is: 3,967,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672,993.40 : 4,009,490.10 = 2,644,999.80 : x
  2. Step 2: Convert to fraction form
    2,672,993.40/4,009,490.10 = 2,644,999.80/x
  3. Step 3: Cross multiply
    2,672,993.40x = 4,009,490.10 × 2,644,999.80
  4. Step 4: Simplify right side
    2,672,993.40x = 10,605,100,512,601.98
  5. Step 5: Solve for x
    x = 10,605,100,512,601.98/2,672,993.40
  6. Step 6: Final answer
    x = 3,967,499.70

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Similar ratio
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1.5x scale

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.