Home / 1,920,358.71-2,650,171.23-1,104,561.54

Finding the Fourth Proportional to 1,920,358.71, 2,650,171.23 and 1,104,561.54

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Solution

The fourth proportional to 1,920,358.71, 2,650,171.23 and 1,104,561.54 is: 1,524,338.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,358.71 : 2,650,171.23 = 1,104,561.54 : x
  2. Step 2: Convert to fraction form
    1,920,358.71/2,650,171.23 = 1,104,561.54/x
  3. Step 3: Cross multiply
    1,920,358.71x = 2,650,171.23 × 1,104,561.54
  4. Step 4: Simplify right side
    1,920,358.71x = 2,927,277,215,072.49
  5. Step 5: Solve for x
    x = 2,927,277,215,072.49/1,920,358.71
  6. Step 6: Final answer
    x = 1,524,338.76

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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.