Home / 2,079,744.90-3,119,728.05-659,912.10

Finding the Fourth Proportional to 2,079,744.90, 3,119,728.05 and 659,912.10

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Solution

The fourth proportional to 2,079,744.90, 3,119,728.05 and 659,912.10 is: 989,903.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,744.90 : 3,119,728.05 = 659,912.10 : x
  2. Step 2: Convert to fraction form
    2,079,744.90/3,119,728.05 = 659,912.10/x
  3. Step 3: Cross multiply
    2,079,744.90x = 3,119,728.05 × 659,912.10
  4. Step 4: Simplify right side
    2,079,744.90x = 2,058,746,288,904.40
  5. Step 5: Solve for x
    x = 2,058,746,288,904.40/2,079,744.90
  6. Step 6: Final answer
    x = 989,903.28

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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.