Home / 5,389,679.40-8,084,519.10-2,694,420.60

Finding the Fourth Proportional to 5,389,679.40, 8,084,519.10 and 2,694,420.60

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Solution

The fourth proportional to 5,389,679.40, 8,084,519.10 and 2,694,420.60 is: 4,041,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,679.40 : 8,084,519.10 = 2,694,420.60 : x
  2. Step 2: Convert to fraction form
    5,389,679.40/8,084,519.10 = 2,694,420.60/x
  3. Step 3: Cross multiply
    5,389,679.40x = 8,084,519.10 × 2,694,420.60
  4. Step 4: Simplify right side
    5,389,679.40x = 21,783,094,804,133.46
  5. Step 5: Solve for x
    x = 21,783,094,804,133.46/5,389,679.40
  6. Step 6: Final answer
    x = 4,041,630.90

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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.