Home / 2,209,849.80-3,314,774.70-2,115,371.40

Finding the Fourth Proportional to 2,209,849.80, 3,314,774.70 and 2,115,371.40

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Solution

The fourth proportional to 2,209,849.80, 3,314,774.70 and 2,115,371.40 is: 3,173,057.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,849.80 : 3,314,774.70 = 2,115,371.40 : x
  2. Step 2: Convert to fraction form
    2,209,849.80/3,314,774.70 = 2,115,371.40/x
  3. Step 3: Cross multiply
    2,209,849.80x = 3,314,774.70 × 2,115,371.40
  4. Step 4: Simplify right side
    2,209,849.80x = 7,011,979,597,823.58
  5. Step 5: Solve for x
    x = 7,011,979,597,823.58/2,209,849.80
  6. Step 6: Final answer
    x = 3,173,057.10

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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.