Home / 3,161,466.88-4,742,212.66-765,307.60

Finding the Fourth Proportional to 3,161,466.88, 4,742,212.66 and 765,307.60

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Solution

The fourth proportional to 3,161,466.88, 4,742,212.66 and 765,307.60 is: 1,147,964.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,466.88 : 4,742,212.66 = 765,307.60 : x
  2. Step 2: Convert to fraction form
    3,161,466.88/4,742,212.66 = 765,307.60/x
  3. Step 3: Cross multiply
    3,161,466.88x = 4,742,212.66 × 765,307.60
  4. Step 4: Simplify right side
    3,161,466.88x = 3,629,251,389,514.22
  5. Step 5: Solve for x
    x = 3,629,251,389,514.22/3,161,466.88
  6. Step 6: Final answer
    x = 1,147,964.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.