Home / 2,597,971.20-3,891,427.20-2,155,603.20

Finding the Fourth Proportional to 2,597,971.20, 3,891,427.20 and 2,155,603.20

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Solution

The fourth proportional to 2,597,971.20, 3,891,427.20 and 2,155,603.20 is: 3,228,816.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,597,971.20 : 3,891,427.20 = 2,155,603.20 : x
  2. Step 2: Convert to fraction form
    2,597,971.20/3,891,427.20 = 2,155,603.20/x
  3. Step 3: Cross multiply
    2,597,971.20x = 3,891,427.20 × 2,155,603.20
  4. Step 4: Simplify right side
    2,597,971.20x = 8,388,372,924,887.04
  5. Step 5: Solve for x
    x = 8,388,372,924,887.04/2,597,971.20
  6. Step 6: Final answer
    x = 3,228,816.75

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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.