Home / 1,912,472.36-2,639,111.69-1,052,866.54

Finding the Fourth Proportional to 1,912,472.36, 2,639,111.69 and 1,052,866.54

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Solution

The fourth proportional to 1,912,472.36, 2,639,111.69 and 1,052,866.54 is: 1,452,900.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,472.36 : 2,639,111.69 = 1,052,866.54 : x
  2. Step 2: Convert to fraction form
    1,912,472.36/2,639,111.69 = 1,052,866.54/x
  3. Step 3: Cross multiply
    1,912,472.36x = 2,639,111.69 × 1,052,866.54
  4. Step 4: Simplify right side
    1,912,472.36x = 2,778,632,393,723.85
  5. Step 5: Solve for x
    x = 2,778,632,393,723.85/1,912,472.36
  6. Step 6: Final answer
    x = 1,452,900.68

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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.