Home / 2,783,156.40-4,174,297.20-985,782.60

Finding the Fourth Proportional to 2,783,156.40, 4,174,297.20 and 985,782.60

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Solution

The fourth proportional to 2,783,156.40, 4,174,297.20 and 985,782.60 is: 1,478,518.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,156.40 : 4,174,297.20 = 985,782.60 : x
  2. Step 2: Convert to fraction form
    2,783,156.40/4,174,297.20 = 985,782.60/x
  3. Step 3: Cross multiply
    2,783,156.40x = 4,174,297.20 × 985,782.60
  4. Step 4: Simplify right side
    2,783,156.40x = 4,114,949,546,988.72
  5. Step 5: Solve for x
    x = 4,114,949,546,988.72/2,783,156.40
  6. Step 6: Final answer
    x = 1,478,518.97

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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.