Home / 2,079,738.40-3,119,607.60-659,905.60

Finding the Fourth Proportional to 2,079,738.40, 3,119,607.60 and 659,905.60

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Solution

The fourth proportional to 2,079,738.40, 3,119,607.60 and 659,905.60 is: 989,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,738.40 : 3,119,607.60 = 659,905.60 : x
  2. Step 2: Convert to fraction form
    2,079,738.40/3,119,607.60 = 659,905.60/x
  3. Step 3: Cross multiply
    2,079,738.40x = 3,119,607.60 × 659,905.60
  4. Step 4: Simplify right side
    2,079,738.40x = 2,058,646,525,042.56
  5. Step 5: Solve for x
    x = 2,058,646,525,042.56/2,079,738.40
  6. Step 6: Final answer
    x = 989,858.40

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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.