Home / 1,682,557.47-2,321,917.32-918,611.04

Finding the Fourth Proportional to 1,682,557.47, 2,321,917.32 and 918,611.04

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Solution

The fourth proportional to 1,682,557.47, 2,321,917.32 and 918,611.04 is: 1,267,676.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,557.47 : 2,321,917.32 = 918,611.04 : x
  2. Step 2: Convert to fraction form
    1,682,557.47/2,321,917.32 = 918,611.04/x
  3. Step 3: Cross multiply
    1,682,557.47x = 2,321,917.32 × 918,611.04
  4. Step 4: Simplify right side
    1,682,557.47x = 2,132,938,884,119.21
  5. Step 5: Solve for x
    x = 2,132,938,884,119.21/1,682,557.47
  6. Step 6: Final answer
    x = 1,267,676.69

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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.