Home / 2,153,880.88-3,231,205.57-714,650.65

Finding the Fourth Proportional to 2,153,880.88, 3,231,205.57 and 714,650.65

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Solution

The fourth proportional to 2,153,880.88, 3,231,205.57 and 714,650.65 is: 1,072,103.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,880.88 : 3,231,205.57 = 714,650.65 : x
  2. Step 2: Convert to fraction form
    2,153,880.88/3,231,205.57 = 714,650.65/x
  3. Step 3: Cross multiply
    2,153,880.88x = 3,231,205.57 × 714,650.65
  4. Step 4: Simplify right side
    2,153,880.88x = 2,309,183,144,728.09
  5. Step 5: Solve for x
    x = 2,309,183,144,728.09/2,153,880.88
  6. Step 6: Final answer
    x = 1,072,103.46

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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.