Home / 2,228,542.40-3,342,813.60-808,644.80

Finding the Fourth Proportional to 2,228,542.40, 3,342,813.60 and 808,644.80

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Solution

The fourth proportional to 2,228,542.40, 3,342,813.60 and 808,644.80 is: 1,212,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228,542.40 : 3,342,813.60 = 808,644.80 : x
  2. Step 2: Convert to fraction form
    2,228,542.40/3,342,813.60 = 808,644.80/x
  3. Step 3: Cross multiply
    2,228,542.40x = 3,342,813.60 × 808,644.80
  4. Step 4: Simplify right side
    2,228,542.40x = 2,703,148,835,009.28
  5. Step 5: Solve for x
    x = 2,703,148,835,009.28/2,228,542.40
  6. Step 6: Final answer
    x = 1,212,967.20

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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.