Home / 6,200,878.65-8,557,691.33-3,720,192.35

Finding the Fourth Proportional to 6,200,878.65, 8,557,691.33 and 3,720,192.35

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Solution

The fourth proportional to 6,200,878.65, 8,557,691.33 and 3,720,192.35 is: 5,134,152.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,200,878.65 : 8,557,691.33 = 3,720,192.35 : x
  2. Step 2: Convert to fraction form
    6,200,878.65/8,557,691.33 = 3,720,192.35/x
  3. Step 3: Cross multiply
    6,200,878.65x = 8,557,691.33 × 3,720,192.35
  4. Step 4: Simplify right side
    6,200,878.65x = 31,836,257,786,039.35
  5. Step 5: Solve for x
    x = 31,836,257,786,039.35/6,200,878.65
  6. Step 6: Final answer
    x = 5,134,152.69

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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.