Home / 2,819,418.51-3,890,693.47-1,530,231.21

Finding the Fourth Proportional to 2,819,418.51, 3,890,693.47 and 1,530,231.21

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Solution

The fourth proportional to 2,819,418.51, 3,890,693.47 and 1,530,231.21 is: 2,111,662.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,418.51 : 3,890,693.47 = 1,530,231.21 : x
  2. Step 2: Convert to fraction form
    2,819,418.51/3,890,693.47 = 1,530,231.21/x
  3. Step 3: Cross multiply
    2,819,418.51x = 3,890,693.47 × 1,530,231.21
  4. Step 4: Simplify right side
    2,819,418.51x = 5,953,660,576,337.20
  5. Step 5: Solve for x
    x = 5,953,660,576,337.20/2,819,418.51
  6. Step 6: Final answer
    x = 2,111,662.58

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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.