Home / 3,161,583.20-4,742,386.96-765,424.20

Finding the Fourth Proportional to 3,161,583.20, 4,742,386.96 and 765,424.20

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Solution

The fourth proportional to 3,161,583.20, 4,742,386.96 and 765,424.20 is: 1,148,139.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,583.20 : 4,742,386.96 = 765,424.20 : x
  2. Step 2: Convert to fraction form
    3,161,583.20/4,742,386.96 = 765,424.20/x
  3. Step 3: Cross multiply
    3,161,583.20x = 4,742,386.96 × 765,424.20
  4. Step 4: Simplify right side
    3,161,583.20x = 3,629,937,744,948.43
  5. Step 5: Solve for x
    x = 3,629,937,744,948.43/3,161,583.20
  6. Step 6: Final answer
    x = 1,148,139.24

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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.