Home / 3,856,921.17-5,785,430.96-2,658,521.72

Finding the Fourth Proportional to 3,856,921.17, 5,785,430.96 and 2,658,521.72

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Solution

The fourth proportional to 3,856,921.17, 5,785,430.96 and 2,658,521.72 is: 3,987,816.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856,921.17 : 5,785,430.96 = 2,658,521.72 : x
  2. Step 2: Convert to fraction form
    3,856,921.17/5,785,430.96 = 2,658,521.72/x
  3. Step 3: Cross multiply
    3,856,921.17x = 5,785,430.96 × 2,658,521.72
  4. Step 4: Simplify right side
    3,856,921.17x = 15,380,693,837,793.29
  5. Step 5: Solve for x
    x = 15,380,693,837,793.29/3,856,921.17
  6. Step 6: Final answer
    x = 3,987,816.49

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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.