Home / 2,768,481.60-4,152,722.40-2,021,985.60

Finding the Fourth Proportional to 2,768,481.60, 4,152,722.40 and 2,021,985.60

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Solution

The fourth proportional to 2,768,481.60, 4,152,722.40 and 2,021,985.60 is: 3,032,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,481.60 : 4,152,722.40 = 2,021,985.60 : x
  2. Step 2: Convert to fraction form
    2,768,481.60/4,152,722.40 = 2,021,985.60/x
  3. Step 3: Cross multiply
    2,768,481.60x = 4,152,722.40 × 2,021,985.60
  4. Step 4: Simplify right side
    2,768,481.60x = 8,396,744,893,597.44
  5. Step 5: Solve for x
    x = 8,396,744,893,597.44/2,768,481.60
  6. Step 6: Final answer
    x = 3,032,978.40

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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.