Home / 2,308,661.88-3,185,948.34-1,290,066.60

Finding the Fourth Proportional to 2,308,661.88, 3,185,948.34 and 1,290,066.60

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Solution

The fourth proportional to 2,308,661.88, 3,185,948.34 and 1,290,066.60 is: 1,780,289.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308,661.88 : 3,185,948.34 = 1,290,066.60 : x
  2. Step 2: Convert to fraction form
    2,308,661.88/3,185,948.34 = 1,290,066.60/x
  3. Step 3: Cross multiply
    2,308,661.88x = 3,185,948.34 × 1,290,066.60
  4. Step 4: Simplify right side
    2,308,661.88x = 4,110,085,542,759.44
  5. Step 5: Solve for x
    x = 4,110,085,542,759.44/2,308,661.88
  6. Step 6: Final answer
    x = 1,780,289.08

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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.