Home / 2,191,896.18-3,024,686.41-1,211,776.54

Finding the Fourth Proportional to 2,191,896.18, 3,024,686.41 and 1,211,776.54

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Solution

The fourth proportional to 2,191,896.18, 3,024,686.41 and 1,211,776.54 is: 1,672,179.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,896.18 : 3,024,686.41 = 1,211,776.54 : x
  2. Step 2: Convert to fraction form
    2,191,896.18/3,024,686.41 = 1,211,776.54/x
  3. Step 3: Cross multiply
    2,191,896.18x = 3,024,686.41 × 1,211,776.54
  4. Step 4: Simplify right side
    2,191,896.18x = 3,665,244,021,903.66
  5. Step 5: Solve for x
    x = 3,665,244,021,903.66/2,191,896.18
  6. Step 6: Final answer
    x = 1,672,179.57

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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.