Home / 1,912,883-2,870,243.11-1,193,039.93

Finding the Fourth Proportional to 1,912,883, 2,870,243.11 and 1,193,039.93

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Solution

The fourth proportional to 1,912,883, 2,870,243.11 and 1,193,039.93 is: 1,790,132.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,883 : 2,870,243.11 = 1,193,039.93 : x
  2. Step 2: Convert to fraction form
    1,912,883/2,870,243.11 = 1,193,039.93/x
  3. Step 3: Cross multiply
    1,912,883x = 2,870,243.11 × 1,193,039.93
  4. Step 4: Simplify right side
    1,912,883x = 3,424,314,624,686.17
  5. Step 5: Solve for x
    x = 3,424,314,624,686.17/1,912,883
  6. Step 6: Final answer
    x = 1,790,132.81

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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.