Home / 2,076,807.60-3,115,211.40-880,081.20

Finding the Fourth Proportional to 2,076,807.60, 3,115,211.40 and 880,081.20

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Solution

The fourth proportional to 2,076,807.60, 3,115,211.40 and 880,081.20 is: 1,320,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,807.60 : 3,115,211.40 = 880,081.20 : x
  2. Step 2: Convert to fraction form
    2,076,807.60/3,115,211.40 = 880,081.20/x
  3. Step 3: Cross multiply
    2,076,807.60x = 3,115,211.40 × 880,081.20
  4. Step 4: Simplify right side
    2,076,807.60x = 2,741,638,987,165.68
  5. Step 5: Solve for x
    x = 2,741,638,987,165.68/2,076,807.60
  6. Step 6: Final answer
    x = 1,320,121.80

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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.