Home / 1,912,883.50-2,870,243.86-1,193,040.43

Finding the Fourth Proportional to 1,912,883.50, 2,870,243.86 and 1,193,040.43

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Solution

The fourth proportional to 1,912,883.50, 2,870,243.86 and 1,193,040.43 is: 1,790,133.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,883.50 : 2,870,243.86 = 1,193,040.43 : x
  2. Step 2: Convert to fraction form
    1,912,883.50/2,870,243.86 = 1,193,040.43/x
  3. Step 3: Cross multiply
    1,912,883.50x = 2,870,243.86 × 1,193,040.43
  4. Step 4: Simplify right side
    1,912,883.50x = 3,424,316,968,939.26
  5. Step 5: Solve for x
    x = 3,424,316,968,939.26/1,912,883.50
  6. Step 6: Final answer
    x = 1,790,133.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.