Home / 6,381,012.70-9,571,519.05-1,893,288.70

Finding the Fourth Proportional to 6,381,012.70, 9,571,519.05 and 1,893,288.70

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Solution

The fourth proportional to 6,381,012.70, 9,571,519.05 and 1,893,288.70 is: 2,839,933.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,381,012.70 : 9,571,519.05 = 1,893,288.70 : x
  2. Step 2: Convert to fraction form
    6,381,012.70/9,571,519.05 = 1,893,288.70/x
  3. Step 3: Cross multiply
    6,381,012.70x = 9,571,519.05 × 1,893,288.70
  4. Step 4: Simplify right side
    6,381,012.70x = 18,121,648,859,199.73
  5. Step 5: Solve for x
    x = 18,121,648,859,199.73/6,381,012.70
  6. Step 6: Final answer
    x = 2,839,933.05

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Double scale
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Similar ratio
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1.5x scale

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.