Home / 2,159,107.90-3,238,439.31-719,635.77

Finding the Fourth Proportional to 2,159,107.90, 3,238,439.31 and 719,635.77

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Solution

The fourth proportional to 2,159,107.90, 3,238,439.31 and 719,635.77 is: 1,079,379.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,107.90 : 3,238,439.31 = 719,635.77 : x
  2. Step 2: Convert to fraction form
    2,159,107.90/3,238,439.31 = 719,635.77/x
  3. Step 3: Cross multiply
    2,159,107.90x = 3,238,439.31 × 719,635.77
  4. Step 4: Simplify right side
    2,159,107.90x = 2,330,496,762,851.94
  5. Step 5: Solve for x
    x = 2,330,496,762,851.94/2,159,107.90
  6. Step 6: Final answer
    x = 1,079,379.48

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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.