Home / 2,999,425.40-4,139,195.76-1,622,764.64

Finding the Fourth Proportional to 2,999,425.40, 4,139,195.76 and 1,622,764.64

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Solution

The fourth proportional to 2,999,425.40, 4,139,195.76 and 1,622,764.64 is: 2,239,409.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,425.40 : 4,139,195.76 = 1,622,764.64 : x
  2. Step 2: Convert to fraction form
    2,999,425.40/4,139,195.76 = 1,622,764.64/x
  3. Step 3: Cross multiply
    2,999,425.40x = 4,139,195.76 × 1,622,764.64
  4. Step 4: Simplify right side
    2,999,425.40x = 6,716,940,517,365.93
  5. Step 5: Solve for x
    x = 6,716,940,517,365.93/2,999,425.40
  6. Step 6: Final answer
    x = 2,239,409.09

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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.