Home / 2,787,117.48-4,179,672.18-964,987.56

Finding the Fourth Proportional to 2,787,117.48, 4,179,672.18 and 964,987.56

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Solution

The fourth proportional to 2,787,117.48, 4,179,672.18 and 964,987.56 is: 1,447,133.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,117.48 : 4,179,672.18 = 964,987.56 : x
  2. Step 2: Convert to fraction form
    2,787,117.48/4,179,672.18 = 964,987.56/x
  3. Step 3: Cross multiply
    2,787,117.48x = 4,179,672.18 × 964,987.56
  4. Step 4: Simplify right side
    2,787,117.48x = 4,033,331,658,578.08
  5. Step 5: Solve for x
    x = 4,033,331,658,578.08/2,787,117.48
  6. Step 6: Final answer
    x = 1,447,133.71

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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.