Home / 3,126,917.70-4,690,376.55-1,105,145.55

Finding the Fourth Proportional to 3,126,917.70, 4,690,376.55 and 1,105,145.55

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Solution

The fourth proportional to 3,126,917.70, 4,690,376.55 and 1,105,145.55 is: 1,657,718.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126,917.70 : 4,690,376.55 = 1,105,145.55 : x
  2. Step 2: Convert to fraction form
    3,126,917.70/4,690,376.55 = 1,105,145.55/x
  3. Step 3: Cross multiply
    3,126,917.70x = 4,690,376.55 × 1,105,145.55
  4. Step 4: Simplify right side
    3,126,917.70x = 5,183,548,772,056.85
  5. Step 5: Solve for x
    x = 5,183,548,772,056.85/3,126,917.70
  6. Step 6: Final answer
    x = 1,657,718.33

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Double scale
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Similar ratio
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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.