Home / 3,615,686.82-4,989,634.11-1,984,121.46

Finding the Fourth Proportional to 3,615,686.82, 4,989,634.11 and 1,984,121.46

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Solution

The fourth proportional to 3,615,686.82, 4,989,634.11 and 1,984,121.46 is: 2,738,080.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,686.82 : 4,989,634.11 = 1,984,121.46 : x
  2. Step 2: Convert to fraction form
    3,615,686.82/4,989,634.11 = 1,984,121.46/x
  3. Step 3: Cross multiply
    3,615,686.82x = 4,989,634.11 × 1,984,121.46
  4. Step 4: Simplify right side
    3,615,686.82x = 9,900,040,115,199.00
  5. Step 5: Solve for x
    x = 9,900,040,115,199.00/3,615,686.82
  6. Step 6: Final answer
    x = 2,738,080.10

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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.