Home / 2,673,672.47-3,689,620.76-1,527,728.21

Finding the Fourth Proportional to 2,673,672.47, 3,689,620.76 and 1,527,728.21

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Solution

The fourth proportional to 2,673,672.47, 3,689,620.76 and 1,527,728.21 is: 2,108,237.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673,672.47 : 3,689,620.76 = 1,527,728.21 : x
  2. Step 2: Convert to fraction form
    2,673,672.47/3,689,620.76 = 1,527,728.21/x
  3. Step 3: Cross multiply
    2,673,672.47x = 3,689,620.76 × 1,527,728.21
  4. Step 4: Simplify right side
    2,673,672.47x = 5,636,737,693,166.90
  5. Step 5: Solve for x
    x = 5,636,737,693,166.90/2,673,672.47
  6. Step 6: Final answer
    x = 2,108,237.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.