Home / 2,239,137.47-3,089,036.66-1,422,904.12

Finding the Fourth Proportional to 2,239,137.47, 3,089,036.66 and 1,422,904.12

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Solution

The fourth proportional to 2,239,137.47, 3,089,036.66 and 1,422,904.12 is: 1,962,989.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,137.47 : 3,089,036.66 = 1,422,904.12 : x
  2. Step 2: Convert to fraction form
    2,239,137.47/3,089,036.66 = 1,422,904.12/x
  3. Step 3: Cross multiply
    2,239,137.47x = 3,089,036.66 × 1,422,904.12
  4. Step 4: Simplify right side
    2,239,137.47x = 4,395,402,975,507.93
  5. Step 5: Solve for x
    x = 4,395,402,975,507.93/2,239,137.47
  6. Step 6: Final answer
    x = 1,962,989.33

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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.