Home / 2,629,404.80-3,936,780.48-1,680,433.28

Finding the Fourth Proportional to 2,629,404.80, 3,936,780.48 and 1,680,433.28

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Solution

The fourth proportional to 2,629,404.80, 3,936,780.48 and 1,680,433.28 is: 2,515,967.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,404.80 : 3,936,780.48 = 1,680,433.28 : x
  2. Step 2: Convert to fraction form
    2,629,404.80/3,936,780.48 = 1,680,433.28/x
  3. Step 3: Cross multiply
    2,629,404.80x = 3,936,780.48 × 1,680,433.28
  4. Step 4: Simplify right side
    2,629,404.80x = 6,615,496,934,646.37
  5. Step 5: Solve for x
    x = 6,615,496,934,646.37/2,629,404.80
  6. Step 6: Final answer
    x = 2,515,967.47

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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.