Home / 2,106,905.94-2,909,538.45-1,992,140.82

Finding the Fourth Proportional to 2,106,905.94, 2,909,538.45 and 1,992,140.82

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Solution

The fourth proportional to 2,106,905.94, 2,909,538.45 and 1,992,140.82 is: 2,751,053.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,905.94 : 2,909,538.45 = 1,992,140.82 : x
  2. Step 2: Convert to fraction form
    2,106,905.94/2,909,538.45 = 1,992,140.82/x
  3. Step 3: Cross multiply
    2,106,905.94x = 2,909,538.45 × 1,992,140.82
  4. Step 4: Simplify right side
    2,106,905.94x = 5,796,210,313,604.53
  5. Step 5: Solve for x
    x = 5,796,210,313,604.53/2,106,905.94
  6. Step 6: Final answer
    x = 2,751,053.19

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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.