Home / 2,076,720.60-3,115,178.10-656,887.80

Finding the Fourth Proportional to 2,076,720.60, 3,115,178.10 and 656,887.80

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Solution

The fourth proportional to 2,076,720.60, 3,115,178.10 and 656,887.80 is: 985,362.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,720.60 : 3,115,178.10 = 656,887.80 : x
  2. Step 2: Convert to fraction form
    2,076,720.60/3,115,178.10 = 656,887.80/x
  3. Step 3: Cross multiply
    2,076,720.60x = 3,115,178.10 × 656,887.80
  4. Step 4: Simplify right side
    2,076,720.60x = 2,046,322,488,717.18
  5. Step 5: Solve for x
    x = 2,046,322,488,717.18/2,076,720.60
  6. Step 6: Final answer
    x = 985,362.45

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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.