Home / 3,819,992.50-5,272,338.50-2,189,492.88

Finding the Fourth Proportional to 3,819,992.50, 5,272,338.50 and 2,189,492.88

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Solution

The fourth proportional to 3,819,992.50, 5,272,338.50 and 2,189,492.88 is: 3,021,929.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819,992.50 : 5,272,338.50 = 2,189,492.88 : x
  2. Step 2: Convert to fraction form
    3,819,992.50/5,272,338.50 = 2,189,492.88/x
  3. Step 3: Cross multiply
    3,819,992.50x = 5,272,338.50 × 2,189,492.88
  4. Step 4: Simplify right side
    3,819,992.50x = 11,543,747,606,699.88
  5. Step 5: Solve for x
    x = 11,543,747,606,699.88/3,819,992.50
  6. Step 6: Final answer
    x = 3,021,929.39

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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.