Home / 6,540,872.72-9,026,404.47-3,640,948.65

Finding the Fourth Proportional to 6,540,872.72, 9,026,404.47 and 3,640,948.65

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Solution

The fourth proportional to 6,540,872.72, 9,026,404.47 and 3,640,948.65 is: 5,024,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540,872.72 : 9,026,404.47 = 3,640,948.65 : x
  2. Step 2: Convert to fraction form
    6,540,872.72/9,026,404.47 = 3,640,948.65/x
  3. Step 3: Cross multiply
    6,540,872.72x = 9,026,404.47 × 3,640,948.65
  4. Step 4: Simplify right side
    6,540,872.72x = 32,864,675,169,400.47
  5. Step 5: Solve for x
    x = 32,864,675,169,400.47/6,540,872.72
  6. Step 6: Final answer
    x = 5,024,509.20

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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.