Home / 2,015,154.75-2,780,463.26-1,689,783.83

Finding the Fourth Proportional to 2,015,154.75, 2,780,463.26 and 1,689,783.83

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Solution

The fourth proportional to 2,015,154.75, 2,780,463.26 and 1,689,783.83 is: 2,331,524.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,154.75 : 2,780,463.26 = 1,689,783.83 : x
  2. Step 2: Convert to fraction form
    2,015,154.75/2,780,463.26 = 1,689,783.83/x
  3. Step 3: Cross multiply
    2,015,154.75x = 2,780,463.26 × 1,689,783.83
  4. Step 4: Simplify right side
    2,015,154.75x = 4,698,381,847,900.93
  5. Step 5: Solve for x
    x = 4,698,381,847,900.93/2,015,154.75
  6. Step 6: Final answer
    x = 2,331,524.09

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.