Home / 3,015,245.54-4,161,079.37-1,638,616.52

Finding the Fourth Proportional to 3,015,245.54, 4,161,079.37 and 1,638,616.52

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Solution

The fourth proportional to 3,015,245.54, 4,161,079.37 and 1,638,616.52 is: 2,261,312.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,245.54 : 4,161,079.37 = 1,638,616.52 : x
  2. Step 2: Convert to fraction form
    3,015,245.54/4,161,079.37 = 1,638,616.52/x
  3. Step 3: Cross multiply
    3,015,245.54x = 4,161,079.37 × 1,638,616.52
  4. Step 4: Simplify right side
    3,015,245.54x = 6,818,413,367,714.71
  5. Step 5: Solve for x
    x = 6,818,413,367,714.71/3,015,245.54
  6. Step 6: Final answer
    x = 2,261,312.81

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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.