Home / 2,079,014.70-3,118,522.05-1,277,697.90

Finding the Fourth Proportional to 2,079,014.70, 3,118,522.05 and 1,277,697.90

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Solution

The fourth proportional to 2,079,014.70, 3,118,522.05 and 1,277,697.90 is: 1,916,546.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,014.70 : 3,118,522.05 = 1,277,697.90 : x
  2. Step 2: Convert to fraction form
    2,079,014.70/3,118,522.05 = 1,277,697.90/x
  3. Step 3: Cross multiply
    2,079,014.70x = 3,118,522.05 × 1,277,697.90
  4. Step 4: Simplify right side
    2,079,014.70x = 3,984,529,074,388.69
  5. Step 5: Solve for x
    x = 3,984,529,074,388.69/2,079,014.70
  6. Step 6: Final answer
    x = 1,916,546.85

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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.