Home / 3,238,644.86-4,857,973.43-842,485.65

Finding the Fourth Proportional to 3,238,644.86, 4,857,973.43 and 842,485.65

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Solution

The fourth proportional to 3,238,644.86, 4,857,973.43 and 842,485.65 is: 1,263,730.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238,644.86 : 4,857,973.43 = 842,485.65 : x
  2. Step 2: Convert to fraction form
    3,238,644.86/4,857,973.43 = 842,485.65/x
  3. Step 3: Cross multiply
    3,238,644.86x = 4,857,973.43 × 842,485.65
  4. Step 4: Simplify right side
    3,238,644.86x = 4,092,772,898,643.85
  5. Step 5: Solve for x
    x = 4,092,772,898,643.85/3,238,644.86
  6. Step 6: Final answer
    x = 1,263,730.07

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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.