Home / 5,431,360.80-8,141,857.20-2,018,733.60

Finding the Fourth Proportional to 5,431,360.80, 8,141,857.20 and 2,018,733.60

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Solution

The fourth proportional to 5,431,360.80, 8,141,857.20 and 2,018,733.60 is: 3,026,173.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,360.80 : 8,141,857.20 = 2,018,733.60 : x
  2. Step 2: Convert to fraction form
    5,431,360.80/8,141,857.20 = 2,018,733.60/x
  3. Step 3: Cross multiply
    5,431,360.80x = 8,141,857.20 × 2,018,733.60
  4. Step 4: Simplify right side
    5,431,360.80x = 16,436,240,696,041.92
  5. Step 5: Solve for x
    x = 16,436,240,696,041.92/5,431,360.80
  6. Step 6: Final answer
    x = 3,026,173.61

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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.