Home / 3,187,652.79-4,399,063.29-1,810,971.32

Finding the Fourth Proportional to 3,187,652.79, 4,399,063.29 and 1,810,971.32

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Solution

The fourth proportional to 3,187,652.79, 4,399,063.29 and 1,810,971.32 is: 2,499,198.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,652.79 : 4,399,063.29 = 1,810,971.32 : x
  2. Step 2: Convert to fraction form
    3,187,652.79/4,399,063.29 = 1,810,971.32/x
  3. Step 3: Cross multiply
    3,187,652.79x = 4,399,063.29 × 1,810,971.32
  4. Step 4: Simplify right side
    3,187,652.79x = 7,966,577,431,059.53
  5. Step 5: Solve for x
    x = 7,966,577,431,059.53/3,187,652.79
  6. Step 6: Final answer
    x = 2,499,198.61

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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.