Home / 2,309,261.04-3,186,725.19-1,290,760.56

Finding the Fourth Proportional to 2,309,261.04, 3,186,725.19 and 1,290,760.56

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Solution

The fourth proportional to 2,309,261.04, 3,186,725.19 and 1,290,760.56 is: 1,781,218.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309,261.04 : 3,186,725.19 = 1,290,760.56 : x
  2. Step 2: Convert to fraction form
    2,309,261.04/3,186,725.19 = 1,290,760.56/x
  3. Step 3: Cross multiply
    2,309,261.04x = 3,186,725.19 × 1,290,760.56
  4. Step 4: Simplify right side
    2,309,261.04x = 4,113,299,190,810.51
  5. Step 5: Solve for x
    x = 4,113,299,190,810.51/2,309,261.04
  6. Step 6: Final answer
    x = 1,781,218.81

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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.