Home / 2,767,331.20-4,150,996.80-1,821,769.60

Finding the Fourth Proportional to 2,767,331.20, 4,150,996.80 and 1,821,769.60

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Solution

The fourth proportional to 2,767,331.20, 4,150,996.80 and 1,821,769.60 is: 2,732,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767,331.20 : 4,150,996.80 = 1,821,769.60 : x
  2. Step 2: Convert to fraction form
    2,767,331.20/4,150,996.80 = 1,821,769.60/x
  3. Step 3: Cross multiply
    2,767,331.20x = 4,150,996.80 × 1,821,769.60
  4. Step 4: Simplify right side
    2,767,331.20x = 7,562,159,779,937.28
  5. Step 5: Solve for x
    x = 7,562,159,779,937.28/2,767,331.20
  6. Step 6: Final answer
    x = 2,732,654.40

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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.