Home / 2,076,276.40-3,115,192.20-815,009.20

Finding the Fourth Proportional to 2,076,276.40, 3,115,192.20 and 815,009.20

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Solution

The fourth proportional to 2,076,276.40, 3,115,192.20 and 815,009.20 is: 1,222,819.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,276.40 : 3,115,192.20 = 815,009.20 : x
  2. Step 2: Convert to fraction form
    2,076,276.40/3,115,192.20 = 815,009.20/x
  3. Step 3: Cross multiply
    2,076,276.40x = 3,115,192.20 × 815,009.20
  4. Step 4: Simplify right side
    2,076,276.40x = 2,538,910,302,768.24
  5. Step 5: Solve for x
    x = 2,538,910,302,768.24/2,076,276.40
  6. Step 6: Final answer
    x = 1,222,819.03

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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.