Home / 2,191,682.96-3,024,260.55-1,211,489.61

Finding the Fourth Proportional to 2,191,682.96, 3,024,260.55 and 1,211,489.61

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Solution

The fourth proportional to 2,191,682.96, 3,024,260.55 and 1,211,489.61 is: 1,671,710.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,682.96 : 3,024,260.55 = 1,211,489.61 : x
  2. Step 2: Convert to fraction form
    2,191,682.96/3,024,260.55 = 1,211,489.61/x
  3. Step 3: Cross multiply
    2,191,682.96x = 3,024,260.55 × 1,211,489.61
  4. Step 4: Simplify right side
    2,191,682.96x = 3,663,860,239,928.37
  5. Step 5: Solve for x
    x = 3,663,860,239,928.37/2,191,682.96
  6. Step 6: Final answer
    x = 1,671,710.87

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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.