Home / 2,138,411.96-3,208,096.20-718,429.04

Finding the Fourth Proportional to 2,138,411.96, 3,208,096.20 and 718,429.04

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Solution

The fourth proportional to 2,138,411.96, 3,208,096.20 and 718,429.04 is: 1,077,804.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,411.96 : 3,208,096.20 = 718,429.04 : x
  2. Step 2: Convert to fraction form
    2,138,411.96/3,208,096.20 = 718,429.04/x
  3. Step 3: Cross multiply
    2,138,411.96x = 3,208,096.20 × 718,429.04
  4. Step 4: Simplify right side
    2,138,411.96x = 2,304,789,473,193.65
  5. Step 5: Solve for x
    x = 2,304,789,473,193.65/2,138,411.96
  6. Step 6: Final answer
    x = 1,077,804.24

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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.