Home / 3,830,651.85-5,286,537.59-2,111,769.21

Finding the Fourth Proportional to 3,830,651.85, 5,286,537.59 and 2,111,769.21

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Solution

The fourth proportional to 3,830,651.85, 5,286,537.59 and 2,111,769.21 is: 2,914,372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,651.85 : 5,286,537.59 = 2,111,769.21 : x
  2. Step 2: Convert to fraction form
    3,830,651.85/5,286,537.59 = 2,111,769.21/x
  3. Step 3: Cross multiply
    3,830,651.85x = 5,286,537.59 × 2,111,769.21
  4. Step 4: Simplify right side
    3,830,651.85x = 11,163,947,299,510.76
  5. Step 5: Solve for x
    x = 11,163,947,299,510.76/3,830,651.85
  6. Step 6: Final answer
    x = 2,914,372.73

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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.