Home / 2,261,419.14-3,121,485.72-1,447,814.15

Finding the Fourth Proportional to 2,261,419.14, 3,121,485.72 and 1,447,814.15

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Solution

The fourth proportional to 2,261,419.14, 3,121,485.72 and 1,447,814.15 is: 1,998,449.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261,419.14 : 3,121,485.72 = 1,447,814.15 : x
  2. Step 2: Convert to fraction form
    2,261,419.14/3,121,485.72 = 1,447,814.15/x
  3. Step 3: Cross multiply
    2,261,419.14x = 3,121,485.72 × 1,447,814.15
  4. Step 4: Simplify right side
    2,261,419.14x = 4,519,331,178,831.51
  5. Step 5: Solve for x
    x = 4,519,331,178,831.51/2,261,419.14
  6. Step 6: Final answer
    x = 1,998,449.16

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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.