Home / 3,231,225.60-4,846,838.40-1,638,700.80

Finding the Fourth Proportional to 3,231,225.60, 4,846,838.40 and 1,638,700.80

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Solution

The fourth proportional to 3,231,225.60, 4,846,838.40 and 1,638,700.80 is: 2,458,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231,225.60 : 4,846,838.40 = 1,638,700.80 : x
  2. Step 2: Convert to fraction form
    3,231,225.60/4,846,838.40 = 1,638,700.80/x
  3. Step 3: Cross multiply
    3,231,225.60x = 4,846,838.40 × 1,638,700.80
  4. Step 4: Simplify right side
    3,231,225.60x = 7,942,517,963,550.72
  5. Step 5: Solve for x
    x = 7,942,517,963,550.72/3,231,225.60
  6. Step 6: Final answer
    x = 2,458,051.20

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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.