Home / 3,015,252.56-4,161,089.10-1,638,623.60

Finding the Fourth Proportional to 3,015,252.56, 4,161,089.10 and 1,638,623.60

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Solution

The fourth proportional to 3,015,252.56, 4,161,089.10 and 1,638,623.60 is: 2,261,322.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,252.56 : 4,161,089.10 = 1,638,623.60 : x
  2. Step 2: Convert to fraction form
    3,015,252.56/4,161,089.10 = 1,638,623.60/x
  3. Step 3: Cross multiply
    3,015,252.56x = 4,161,089.10 × 1,638,623.60
  4. Step 4: Simplify right side
    3,015,252.56x = 6,818,458,800,962.76
  5. Step 5: Solve for x
    x = 6,818,458,800,962.76/3,015,252.56
  6. Step 6: Final answer
    x = 2,261,322.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.