Home / 6,512,515.40-9,769,239.66-1,720,156.88

Finding the Fourth Proportional to 6,512,515.40, 9,769,239.66 and 1,720,156.88

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Solution

The fourth proportional to 6,512,515.40, 9,769,239.66 and 1,720,156.88 is: 2,580,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,512,515.40 : 9,769,239.66 = 1,720,156.88 : x
  2. Step 2: Convert to fraction form
    6,512,515.40/9,769,239.66 = 1,720,156.88/x
  3. Step 3: Cross multiply
    6,512,515.40x = 9,769,239.66 × 1,720,156.88
  4. Step 4: Simplify right side
    6,512,515.40x = 16,804,624,813,517.86
  5. Step 5: Solve for x
    x = 16,804,624,813,517.86/6,512,515.40
  6. Step 6: Final answer
    x = 2,580,358.55

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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.