Home / 1,620,237.27-2,235,991.38-931,908.02

Finding the Fourth Proportional to 1,620,237.27, 2,235,991.38 and 931,908.02

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Solution

The fourth proportional to 1,620,237.27, 2,235,991.38 and 931,908.02 is: 1,286,069.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,237.27 : 2,235,991.38 = 931,908.02 : x
  2. Step 2: Convert to fraction form
    1,620,237.27/2,235,991.38 = 931,908.02/x
  3. Step 3: Cross multiply
    1,620,237.27x = 2,235,991.38 × 931,908.02
  4. Step 4: Simplify right side
    1,620,237.27x = 2,083,738,295,013.33
  5. Step 5: Solve for x
    x = 2,083,738,295,013.33/1,620,237.27
  6. Step 6: Final answer
    x = 1,286,069.85

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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.