Home / 2,855,933.68-3,941,768.67-1,938,458.50

Finding the Fourth Proportional to 2,855,933.68, 3,941,768.67 and 1,938,458.50

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Solution

The fourth proportional to 2,855,933.68, 3,941,768.67 and 1,938,458.50 is: 2,675,466.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855,933.68 : 3,941,768.67 = 1,938,458.50 : x
  2. Step 2: Convert to fraction form
    2,855,933.68/3,941,768.67 = 1,938,458.50/x
  3. Step 3: Cross multiply
    2,855,933.68x = 3,941,768.67 × 1,938,458.50
  4. Step 4: Simplify right side
    2,855,933.68x = 7,640,954,983,395.20
  5. Step 5: Solve for x
    x = 7,640,954,983,395.20/2,855,933.68
  6. Step 6: Final answer
    x = 2,675,466.53

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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.