Home / 1,542,662.64-2,128,874.43-939,050.64

Finding the Fourth Proportional to 1,542,662.64, 2,128,874.43 and 939,050.64

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Solution

The fourth proportional to 1,542,662.64, 2,128,874.43 and 939,050.64 is: 1,295,889.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,662.64 : 2,128,874.43 = 939,050.64 : x
  2. Step 2: Convert to fraction form
    1,542,662.64/2,128,874.43 = 939,050.64/x
  3. Step 3: Cross multiply
    1,542,662.64x = 2,128,874.43 × 939,050.64
  4. Step 4: Simplify right side
    1,542,662.64x = 1,999,120,895,971.14
  5. Step 5: Solve for x
    x = 1,999,120,895,971.14/1,542,662.64
  6. Step 6: Final answer
    x = 1,295,889.88

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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.