Home / 6,540,871.72-9,026,403.09-3,640,947.65

Finding the Fourth Proportional to 6,540,871.72, 9,026,403.09 and 3,640,947.65

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Solution

The fourth proportional to 6,540,871.72, 9,026,403.09 and 3,640,947.65 is: 5,024,507.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540,871.72 : 9,026,403.09 = 3,640,947.65 : x
  2. Step 2: Convert to fraction form
    6,540,871.72/9,026,403.09 = 3,640,947.65/x
  3. Step 3: Cross multiply
    6,540,871.72x = 9,026,403.09 × 3,640,947.65
  4. Step 4: Simplify right side
    6,540,871.72x = 32,864,661,073,285.19
  5. Step 5: Solve for x
    x = 32,864,661,073,285.19/6,540,871.72
  6. Step 6: Final answer
    x = 5,024,507.82

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Double scale
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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.