Home / 2,079,515.56-3,119,384.22-659,685.16

Finding the Fourth Proportional to 2,079,515.56, 3,119,384.22 and 659,685.16

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Solution

The fourth proportional to 2,079,515.56, 3,119,384.22 and 659,685.16 is: 989,562.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,515.56 : 3,119,384.22 = 659,685.16 : x
  2. Step 2: Convert to fraction form
    2,079,515.56/3,119,384.22 = 659,685.16/x
  3. Step 3: Cross multiply
    2,079,515.56x = 3,119,384.22 × 659,685.16
  4. Step 4: Simplify right side
    2,079,515.56x = 2,057,811,478,272.18
  5. Step 5: Solve for x
    x = 2,057,811,478,272.18/2,079,515.56
  6. Step 6: Final answer
    x = 989,562.91

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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.