Home / 3,996,394.76-5,515,155.98-2,185,558.76

Finding the Fourth Proportional to 3,996,394.76, 5,515,155.98 and 2,185,558.76

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Solution

The fourth proportional to 3,996,394.76, 5,515,155.98 and 2,185,558.76 is: 3,016,142.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996,394.76 : 5,515,155.98 = 2,185,558.76 : x
  2. Step 2: Convert to fraction form
    3,996,394.76/5,515,155.98 = 2,185,558.76/x
  3. Step 3: Cross multiply
    3,996,394.76x = 5,515,155.98 × 2,185,558.76
  4. Step 4: Simplify right side
    3,996,394.76x = 12,053,697,464,855.38
  5. Step 5: Solve for x
    x = 12,053,697,464,855.38/3,996,394.76
  6. Step 6: Final answer
    x = 3,016,142.85

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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.