Home / 2,161,165.69-3,243,567.14-1,081,354.29

Finding the Fourth Proportional to 2,161,165.69, 3,243,567.14 and 1,081,354.29

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Solution

The fourth proportional to 2,161,165.69, 3,243,567.14 and 1,081,354.29 is: 1,622,941.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,165.69 : 3,243,567.14 = 1,081,354.29 : x
  2. Step 2: Convert to fraction form
    2,161,165.69/3,243,567.14 = 1,081,354.29/x
  3. Step 3: Cross multiply
    2,161,165.69x = 3,243,567.14 × 1,081,354.29
  4. Step 4: Simplify right side
    2,161,165.69x = 3,507,445,228,226.96
  5. Step 5: Solve for x
    x = 3,507,445,228,226.96/2,161,165.69
  6. Step 6: Final answer
    x = 1,622,941.38

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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.