Home / 3,877,846.72-5,349,590.40-2,732,557.12

Finding the Fourth Proportional to 3,877,846.72, 5,349,590.40 and 2,732,557.12

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Solution

The fourth proportional to 3,877,846.72, 5,349,590.40 and 2,732,557.12 is: 3,769,633.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877,846.72 : 5,349,590.40 = 2,732,557.12 : x
  2. Step 2: Convert to fraction form
    3,877,846.72/5,349,590.40 = 2,732,557.12/x
  3. Step 3: Cross multiply
    3,877,846.72x = 5,349,590.40 × 2,732,557.12
  4. Step 4: Simplify right side
    3,877,846.72x = 14,618,061,336,603.65
  5. Step 5: Solve for x
    x = 14,618,061,336,603.65/3,877,846.72
  6. Step 6: Final answer
    x = 3,769,633.61

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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.