Home / 2,821,737-3,895,113.06-1,962,795.72

Finding the Fourth Proportional to 2,821,737, 3,895,113.06 and 1,962,795.72

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Solution

The fourth proportional to 2,821,737, 3,895,113.06 and 1,962,795.72 is: 2,709,434.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,737 : 3,895,113.06 = 1,962,795.72 : x
  2. Step 2: Convert to fraction form
    2,821,737/3,895,113.06 = 1,962,795.72/x
  3. Step 3: Cross multiply
    2,821,737x = 3,895,113.06 × 1,962,795.72
  4. Step 4: Simplify right side
    2,821,737x = 7,645,311,243,084.10
  5. Step 5: Solve for x
    x = 7,645,311,243,084.10/2,821,737
  6. Step 6: Final answer
    x = 2,709,434.38

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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.