Home / 3,830,652.85-5,286,538.97-2,111,770.21

Finding the Fourth Proportional to 3,830,652.85, 5,286,538.97 and 2,111,770.21

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Solution

The fourth proportional to 3,830,652.85, 5,286,538.97 and 2,111,770.21 is: 2,914,374.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,652.85 : 5,286,538.97 = 2,111,770.21 : x
  2. Step 2: Convert to fraction form
    3,830,652.85/5,286,538.97 = 2,111,770.21/x
  3. Step 3: Cross multiply
    3,830,652.85x = 5,286,538.97 × 2,111,770.21
  4. Step 4: Simplify right side
    3,830,652.85x = 11,163,955,510,850.08
  5. Step 5: Solve for x
    x = 11,163,955,510,850.08/3,830,652.85
  6. Step 6: Final answer
    x = 2,914,374.12

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Double scale
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1.5x scale

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.