Home / 2,107,987.76-2,909,043.15-1,236,837.26

Finding the Fourth Proportional to 2,107,987.76, 2,909,043.15 and 1,236,837.26

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Solution

The fourth proportional to 2,107,987.76, 2,909,043.15 and 1,236,837.26 is: 1,706,847.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,987.76 : 2,909,043.15 = 1,236,837.26 : x
  2. Step 2: Convert to fraction form
    2,107,987.76/2,909,043.15 = 1,236,837.26/x
  3. Step 3: Cross multiply
    2,107,987.76x = 2,909,043.15 × 1,236,837.26
  4. Step 4: Simplify right side
    2,107,987.76x = 3,598,012,959,738.61
  5. Step 5: Solve for x
    x = 3,598,012,959,738.61/2,107,987.76
  6. Step 6: Final answer
    x = 1,706,847.18

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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.