Home / 2,834,146-3,912,517.76-1,963,640.76

Finding the Fourth Proportional to 2,834,146, 3,912,517.76 and 1,963,640.76

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Solution

The fourth proportional to 2,834,146, 3,912,517.76 and 1,963,640.76 is: 2,710,791.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834,146 : 3,912,517.76 = 1,963,640.76 : x
  2. Step 2: Convert to fraction form
    2,834,146/3,912,517.76 = 1,963,640.76/x
  3. Step 3: Cross multiply
    2,834,146x = 3,912,517.76 × 1,963,640.76
  4. Step 4: Simplify right side
    2,834,146x = 7,682,779,347,759.90
  5. Step 5: Solve for x
    x = 7,682,779,347,759.90/2,834,146
  6. Step 6: Final answer
    x = 2,710,791.66

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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.