Home / 2,208,896.21-3,312,975.22-611,620.76

Finding the Fourth Proportional to 2,208,896.21, 3,312,975.22 and 611,620.76

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Solution

The fourth proportional to 2,208,896.21, 3,312,975.22 and 611,620.76 is: 917,328.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,896.21 : 3,312,975.22 = 611,620.76 : x
  2. Step 2: Convert to fraction form
    2,208,896.21/3,312,975.22 = 611,620.76/x
  3. Step 3: Cross multiply
    2,208,896.21x = 3,312,975.22 × 611,620.76
  4. Step 4: Simplify right side
    2,208,896.21x = 2,026,284,421,917.57
  5. Step 5: Solve for x
    x = 2,026,284,421,917.57/2,208,896.21
  6. Step 6: Final answer
    x = 917,328.94

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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.