Home / 3,161,468.13-4,742,214.54-765,308.85

Finding the Fourth Proportional to 3,161,468.13, 4,742,214.54 and 765,308.85

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Solution

The fourth proportional to 3,161,468.13, 4,742,214.54 and 765,308.85 is: 1,147,966.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161,468.13 : 4,742,214.54 = 765,308.85 : x
  2. Step 2: Convert to fraction form
    3,161,468.13/4,742,214.54 = 765,308.85/x
  3. Step 3: Cross multiply
    3,161,468.13x = 4,742,214.54 × 765,308.85
  4. Step 4: Simplify right side
    3,161,468.13x = 3,629,258,756,060.68
  5. Step 5: Solve for x
    x = 3,629,258,756,060.68/3,161,468.13
  6. Step 6: Final answer
    x = 1,147,966.26

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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.