Home / 1,542,326.31-2,128,107.81-969,034.32

Finding the Fourth Proportional to 1,542,326.31, 2,128,107.81 and 969,034.32

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Solution

The fourth proportional to 1,542,326.31, 2,128,107.81 and 969,034.32 is: 1,337,077.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,326.31 : 2,128,107.81 = 969,034.32 : x
  2. Step 2: Convert to fraction form
    1,542,326.31/2,128,107.81 = 969,034.32/x
  3. Step 3: Cross multiply
    1,542,326.31x = 2,128,107.81 × 969,034.32
  4. Step 4: Simplify right side
    1,542,326.31x = 2,062,209,504,550.04
  5. Step 5: Solve for x
    x = 2,062,209,504,550.04/1,542,326.31
  6. Step 6: Final answer
    x = 1,337,077.30

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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.