Home / 1,922,078-2,652,026.72-1,147,557.92

Finding the Fourth Proportional to 1,922,078, 2,652,026.72 and 1,147,557.92

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Solution

The fourth proportional to 1,922,078, 2,652,026.72 and 1,147,557.92 is: 1,583,366.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922,078 : 2,652,026.72 = 1,147,557.92 : x
  2. Step 2: Convert to fraction form
    1,922,078/2,652,026.72 = 1,147,557.92/x
  3. Step 3: Cross multiply
    1,922,078x = 2,652,026.72 × 1,147,557.92
  4. Step 4: Simplify right side
    1,922,078x = 3,043,354,266,587.62
  5. Step 5: Solve for x
    x = 3,043,354,266,587.62/1,922,078
  6. Step 6: Final answer
    x = 1,583,366.68

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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.