Home / 2,042,695.92-2,812,833.72-1,997,379.12

Finding the Fourth Proportional to 2,042,695.92, 2,812,833.72 and 1,997,379.12

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Solution

The fourth proportional to 2,042,695.92, 2,812,833.72 and 1,997,379.12 is: 2,750,431.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042,695.92 : 2,812,833.72 = 1,997,379.12 : x
  2. Step 2: Convert to fraction form
    2,042,695.92/2,812,833.72 = 1,997,379.12/x
  3. Step 3: Cross multiply
    2,042,695.92x = 2,812,833.72 × 1,997,379.12
  4. Step 4: Simplify right side
    2,042,695.92x = 5,618,295,340,359.93
  5. Step 5: Solve for x
    x = 5,618,295,340,359.93/2,042,695.92
  6. Step 6: Final answer
    x = 2,750,431.57

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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.