Home / 2,253,558.40-3,109,905.49-1,221,094.36

Finding the Fourth Proportional to 2,253,558.40, 3,109,905.49 and 1,221,094.36

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Solution

The fourth proportional to 2,253,558.40, 3,109,905.49 and 1,221,094.36 is: 1,685,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253,558.40 : 3,109,905.49 = 1,221,094.36 : x
  2. Step 2: Convert to fraction form
    2,253,558.40/3,109,905.49 = 1,221,094.36/x
  3. Step 3: Cross multiply
    2,253,558.40x = 3,109,905.49 × 1,221,094.36
  4. Step 4: Simplify right side
    2,253,558.40x = 3,797,488,047,866.57
  5. Step 5: Solve for x
    x = 3,797,488,047,866.57/2,253,558.40
  6. Step 6: Final answer
    x = 1,685,107.45

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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.