Home / 3,119,115.70-4,678,673.55-2,753,011.90

Finding the Fourth Proportional to 3,119,115.70, 4,678,673.55 and 2,753,011.90

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Solution

The fourth proportional to 3,119,115.70, 4,678,673.55 and 2,753,011.90 is: 4,129,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,115.70 : 4,678,673.55 = 2,753,011.90 : x
  2. Step 2: Convert to fraction form
    3,119,115.70/4,678,673.55 = 2,753,011.90/x
  3. Step 3: Cross multiply
    3,119,115.70x = 4,678,673.55 × 2,753,011.90
  4. Step 4: Simplify right side
    3,119,115.70x = 12,880,443,959,365.24
  5. Step 5: Solve for x
    x = 12,880,443,959,365.24/3,119,115.70
  6. Step 6: Final answer
    x = 4,129,517.85

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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.