Home / 4,922,378.71-7,383,568.10-1,328,145.66

Finding the Fourth Proportional to 4,922,378.71, 7,383,568.10 and 1,328,145.66

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Solution

The fourth proportional to 4,922,378.71, 7,383,568.10 and 1,328,145.66 is: 1,992,218.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,922,378.71 : 7,383,568.10 = 1,328,145.66 : x
  2. Step 2: Convert to fraction form
    4,922,378.71/7,383,568.10 = 1,328,145.66/x
  3. Step 3: Cross multiply
    4,922,378.71x = 7,383,568.10 × 1,328,145.66
  4. Step 4: Simplify right side
    4,922,378.71x = 9,806,453,920,688.72
  5. Step 5: Solve for x
    x = 9,806,453,920,688.72/4,922,378.71
  6. Step 6: Final answer
    x = 1,992,218.50

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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.