Home / 2,797,904.70-4,196,857.05-1,947,599.10

Finding the Fourth Proportional to 2,797,904.70, 4,196,857.05 and 1,947,599.10

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Solution

The fourth proportional to 2,797,904.70, 4,196,857.05 and 1,947,599.10 is: 2,921,398.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797,904.70 : 4,196,857.05 = 1,947,599.10 : x
  2. Step 2: Convert to fraction form
    2,797,904.70/4,196,857.05 = 1,947,599.10/x
  3. Step 3: Cross multiply
    2,797,904.70x = 4,196,857.05 × 1,947,599.10
  4. Step 4: Simplify right side
    2,797,904.70x = 8,173,795,013,408.66
  5. Step 5: Solve for x
    x = 8,173,795,013,408.66/2,797,904.70
  6. Step 6: Final answer
    x = 2,921,398.65

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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.