Home / 2,108,619.96-2,910,324.80-1,429,775.16

Finding the Fourth Proportional to 2,108,619.96, 2,910,324.80 and 1,429,775.16

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Solution

The fourth proportional to 2,108,619.96, 2,910,324.80 and 1,429,775.16 is: 1,973,380.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,619.96 : 2,910,324.80 = 1,429,775.16 : x
  2. Step 2: Convert to fraction form
    2,108,619.96/2,910,324.80 = 1,429,775.16/x
  3. Step 3: Cross multiply
    2,108,619.96x = 2,910,324.80 × 1,429,775.16
  4. Step 4: Simplify right side
    2,108,619.96x = 4,161,110,106,571.97
  5. Step 5: Solve for x
    x = 4,161,110,106,571.97/2,108,619.96
  6. Step 6: Final answer
    x = 1,973,380.78

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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.