Home / 2,616,695.08-3,925,039.53-819,718.51

Finding the Fourth Proportional to 2,616,695.08, 3,925,039.53 and 819,718.51

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Solution

The fourth proportional to 2,616,695.08, 3,925,039.53 and 819,718.51 is: 1,229,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616,695.08 : 3,925,039.53 = 819,718.51 : x
  2. Step 2: Convert to fraction form
    2,616,695.08/3,925,039.53 = 819,718.51/x
  3. Step 3: Cross multiply
    2,616,695.08x = 3,925,039.53 × 819,718.51
  4. Step 4: Simplify right side
    2,616,695.08x = 3,217,427,555,222.70
  5. Step 5: Solve for x
    x = 3,217,427,555,222.70/2,616,695.08
  6. Step 6: Final answer
    x = 1,229,576.80

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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.