Home / 3,161,437.43-4,742,168.60-765,278.22

Finding the Fourth Proportional to 3,161,437.43, 4,742,168.60 and 765,278.22

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Solution

The fourth proportional to 3,161,437.43, 4,742,168.60 and 765,278.22 is: 1,147,920.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,437.43 : 4,742,168.60 = 765,278.22 : x
  2. Step 2: Convert to fraction form
    3,161,437.43/4,742,168.60 = 765,278.22/x
  3. Step 3: Cross multiply
    3,161,437.43x = 4,742,168.60 × 765,278.22
  4. Step 4: Simplify right side
    3,161,437.43x = 3,629,078,347,061.09
  5. Step 5: Solve for x
    x = 3,629,078,347,061.09/3,161,437.43
  6. Step 6: Final answer
    x = 1,147,920.34

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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.