Home / 3,830,564.40-5,286,194.84-2,111,647.20

Finding the Fourth Proportional to 3,830,564.40, 5,286,194.84 and 2,111,647.20

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Solution

The fourth proportional to 3,830,564.40, 5,286,194.84 and 2,111,647.20 is: 2,914,081.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,564.40 : 5,286,194.84 = 2,111,647.20 : x
  2. Step 2: Convert to fraction form
    3,830,564.40/5,286,194.84 = 2,111,647.20/x
  3. Step 3: Cross multiply
    3,830,564.40x = 5,286,194.84 × 2,111,647.20
  4. Step 4: Simplify right side
    3,830,564.40x = 11,162,578,532,540.45
  5. Step 5: Solve for x
    x = 11,162,578,532,540.45/3,830,564.40
  6. Step 6: Final answer
    x = 2,914,081.94

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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.