Home / 2,422,071.48-3,342,928.02-1,390,190.22

Finding the Fourth Proportional to 2,422,071.48, 3,342,928.02 and 1,390,190.22

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Solution

The fourth proportional to 2,422,071.48, 3,342,928.02 and 1,390,190.22 is: 1,918,731.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422,071.48 : 3,342,928.02 = 1,390,190.22 : x
  2. Step 2: Convert to fraction form
    2,422,071.48/3,342,928.02 = 1,390,190.22/x
  3. Step 3: Cross multiply
    2,422,071.48x = 3,342,928.02 × 1,390,190.22
  4. Step 4: Simplify right side
    2,422,071.48x = 4,647,305,839,567.96
  5. Step 5: Solve for x
    x = 4,647,305,839,567.96/2,422,071.48
  6. Step 6: Final answer
    x = 1,918,731.91

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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.