Home / 2,209,843.80-3,314,765.70-2,115,365.40

Finding the Fourth Proportional to 2,209,843.80, 3,314,765.70 and 2,115,365.40

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Solution

The fourth proportional to 2,209,843.80, 3,314,765.70 and 2,115,365.40 is: 3,173,048.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,843.80 : 3,314,765.70 = 2,115,365.40 : x
  2. Step 2: Convert to fraction form
    2,209,843.80/3,314,765.70 = 2,115,365.40/x
  3. Step 3: Cross multiply
    2,209,843.80x = 3,314,765.70 × 2,115,365.40
  4. Step 4: Simplify right side
    2,209,843.80x = 7,011,940,670,886.78
  5. Step 5: Solve for x
    x = 7,011,940,670,886.78/2,209,843.80
  6. Step 6: Final answer
    x = 3,173,048.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.