Home / 2,239,149-3,089,052.52-1,422,915.64

Finding the Fourth Proportional to 2,239,149, 3,089,052.52 and 1,422,915.64

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Solution

The fourth proportional to 2,239,149, 3,089,052.52 and 1,422,915.64 is: 1,963,005.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,149 : 3,089,052.52 = 1,422,915.64 : x
  2. Step 2: Convert to fraction form
    2,239,149/3,089,052.52 = 1,422,915.64/x
  3. Step 3: Cross multiply
    2,239,149x = 3,089,052.52 × 1,422,915.64
  4. Step 4: Simplify right side
    2,239,149x = 4,395,461,143,489.41
  5. Step 5: Solve for x
    x = 4,395,461,143,489.41/2,239,149
  6. Step 6: Final answer
    x = 1,963,005.21

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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.