Home / 2,076,256.40-3,115,162.20-814,989.20

Finding the Fourth Proportional to 2,076,256.40, 3,115,162.20 and 814,989.20

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Solution

The fourth proportional to 2,076,256.40, 3,115,162.20 and 814,989.20 is: 1,222,789.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,256.40 : 3,115,162.20 = 814,989.20 : x
  2. Step 2: Convert to fraction form
    2,076,256.40/3,115,162.20 = 814,989.20/x
  3. Step 3: Cross multiply
    2,076,256.40x = 3,115,162.20 × 814,989.20
  4. Step 4: Simplify right side
    2,076,256.40x = 2,538,823,549,248.24
  5. Step 5: Solve for x
    x = 2,538,823,549,248.24/2,076,256.40
  6. Step 6: Final answer
    x = 1,222,789.03

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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.