Home / 1,991,822.81-2,986,113.42-624,893.81

Finding the Fourth Proportional to 1,991,822.81, 2,986,113.42 and 624,893.81

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Solution

The fourth proportional to 1,991,822.81, 2,986,113.42 and 624,893.81 is: 936,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,822.81 : 2,986,113.42 = 624,893.81 : x
  2. Step 2: Convert to fraction form
    1,991,822.81/2,986,113.42 = 624,893.81/x
  3. Step 3: Cross multiply
    1,991,822.81x = 2,986,113.42 × 624,893.81
  4. Step 4: Simplify right side
    1,991,822.81x = 1,866,003,804,138.21
  5. Step 5: Solve for x
    x = 1,866,003,804,138.21/1,991,822.81
  6. Step 6: Final answer
    x = 936,832.23

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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.