Home / 3,908,670.72-5,863,789.68-1,349,979.52

Finding the Fourth Proportional to 3,908,670.72, 5,863,789.68 and 1,349,979.52

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Solution

The fourth proportional to 3,908,670.72, 5,863,789.68 and 1,349,979.52 is: 2,025,239.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908,670.72 : 5,863,789.68 = 1,349,979.52 : x
  2. Step 2: Convert to fraction form
    3,908,670.72/5,863,789.68 = 1,349,979.52/x
  3. Step 3: Cross multiply
    3,908,670.72x = 5,863,789.68 × 1,349,979.52
  4. Step 4: Simplify right side
    3,908,670.72x = 7,915,995,977,587.35
  5. Step 5: Solve for x
    x = 7,915,995,977,587.35/3,908,670.72
  6. Step 6: Final answer
    x = 2,025,239.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.