Home / 4,185,693.80-6,278,540.70-2,057,143.40

Finding the Fourth Proportional to 4,185,693.80, 6,278,540.70 and 2,057,143.40

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Solution

The fourth proportional to 4,185,693.80, 6,278,540.70 and 2,057,143.40 is: 3,085,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185,693.80 : 6,278,540.70 = 2,057,143.40 : x
  2. Step 2: Convert to fraction form
    4,185,693.80/6,278,540.70 = 2,057,143.40/x
  3. Step 3: Cross multiply
    4,185,693.80x = 6,278,540.70 × 2,057,143.40
  4. Step 4: Simplify right side
    4,185,693.80x = 12,915,858,562,636.38
  5. Step 5: Solve for x
    x = 12,915,858,562,636.38/4,185,693.80
  6. Step 6: Final answer
    x = 3,085,715.10

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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.