Home / 2,191,418.45-3,024,099.40-1,224,556.69

Finding the Fourth Proportional to 2,191,418.45, 3,024,099.40 and 1,224,556.69

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Solution

The fourth proportional to 2,191,418.45, 3,024,099.40 and 1,224,556.69 is: 1,689,855.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,418.45 : 3,024,099.40 = 1,224,556.69 : x
  2. Step 2: Convert to fraction form
    2,191,418.45/3,024,099.40 = 1,224,556.69/x
  3. Step 3: Cross multiply
    2,191,418.45x = 3,024,099.40 × 1,224,556.69
  4. Step 4: Simplify right side
    2,191,418.45x = 3,703,181,130,251.71
  5. Step 5: Solve for x
    x = 3,703,181,130,251.71/2,191,418.45
  6. Step 6: Final answer
    x = 1,689,855.78

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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.