Home / 3,010,119.70-4,515,179.55-1,213,863.70

Finding the Fourth Proportional to 3,010,119.70, 4,515,179.55 and 1,213,863.70

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Solution

The fourth proportional to 3,010,119.70, 4,515,179.55 and 1,213,863.70 is: 1,820,795.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010,119.70 : 4,515,179.55 = 1,213,863.70 : x
  2. Step 2: Convert to fraction form
    3,010,119.70/4,515,179.55 = 1,213,863.70/x
  3. Step 3: Cross multiply
    3,010,119.70x = 4,515,179.55 × 1,213,863.70
  4. Step 4: Simplify right side
    3,010,119.70x = 5,480,812,554,727.34
  5. Step 5: Solve for x
    x = 5,480,812,554,727.34/3,010,119.70
  6. Step 6: Final answer
    x = 1,820,795.55

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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.