Home / 2,106,713.43-2,907,243.86-1,139,822.51

Finding the Fourth Proportional to 2,106,713.43, 2,907,243.86 and 1,139,822.51

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Solution

The fourth proportional to 2,106,713.43, 2,907,243.86 and 1,139,822.51 is: 1,572,943.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,713.43 : 2,907,243.86 = 1,139,822.51 : x
  2. Step 2: Convert to fraction form
    2,106,713.43/2,907,243.86 = 1,139,822.51/x
  3. Step 3: Cross multiply
    2,106,713.43x = 2,907,243.86 × 1,139,822.51
  4. Step 4: Simplify right side
    2,106,713.43x = 3,313,741,973,451.96
  5. Step 5: Solve for x
    x = 3,313,741,973,451.96/2,106,713.43
  6. Step 6: Final answer
    x = 1,572,943.87

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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.