Home / 5,150,911.11-7,726,531.29-2,590,728.72

Finding the Fourth Proportional to 5,150,911.11, 7,726,531.29 and 2,590,728.72

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Solution

The fourth proportional to 5,150,911.11, 7,726,531.29 and 2,590,728.72 is: 3,886,175.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150,911.11 : 7,726,531.29 = 2,590,728.72 : x
  2. Step 2: Convert to fraction form
    5,150,911.11/7,726,531.29 = 2,590,728.72/x
  3. Step 3: Cross multiply
    5,150,911.11x = 7,726,531.29 × 2,590,728.72
  4. Step 4: Simplify right side
    5,150,911.11x = 20,017,346,518,981.65
  5. Step 5: Solve for x
    x = 20,017,346,518,981.65/5,150,911.11
  6. Step 6: Final answer
    x = 3,886,175.88

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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.