Home / 3,161,916.80-4,742,859.33-765,761.37

Finding the Fourth Proportional to 3,161,916.80, 4,742,859.33 and 765,761.37

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Solution

The fourth proportional to 3,161,916.80, 4,742,859.33 and 765,761.37 is: 1,148,638.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,916.80 : 4,742,859.33 = 765,761.37 : x
  2. Step 2: Convert to fraction form
    3,161,916.80/4,742,859.33 = 765,761.37/x
  3. Step 3: Cross multiply
    3,161,916.80x = 4,742,859.33 × 765,761.37
  4. Step 4: Simplify right side
    3,161,916.80x = 3,631,898,458,258.08
  5. Step 5: Solve for x
    x = 3,631,898,458,258.08/3,161,916.80
  6. Step 6: Final answer
    x = 1,148,638.21

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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.