Home / 2,076,941.80-3,115,412.70-814,810.60

Finding the Fourth Proportional to 2,076,941.80, 3,115,412.70 and 814,810.60

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Solution

The fourth proportional to 2,076,941.80, 3,115,412.70 and 814,810.60 is: 1,222,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,941.80 : 3,115,412.70 = 814,810.60 : x
  2. Step 2: Convert to fraction form
    2,076,941.80/3,115,412.70 = 814,810.60/x
  3. Step 3: Cross multiply
    2,076,941.80x = 3,115,412.70 × 814,810.60
  4. Step 4: Simplify right side
    2,076,941.80x = 2,538,471,291,334.62
  5. Step 5: Solve for x
    x = 2,538,471,291,334.62/2,076,941.80
  6. Step 6: Final answer
    x = 1,222,215.90

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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.