Home / 2,999,427.40-4,139,198.52-1,622,766.64

Finding the Fourth Proportional to 2,999,427.40, 4,139,198.52 and 1,622,766.64

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Solution

The fourth proportional to 2,999,427.40, 4,139,198.52 and 1,622,766.64 is: 2,239,411.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,427.40 : 4,139,198.52 = 1,622,766.64 : x
  2. Step 2: Convert to fraction form
    2,999,427.40/4,139,198.52 = 1,622,766.64/x
  3. Step 3: Cross multiply
    2,999,427.40x = 4,139,198.52 × 1,622,766.64
  4. Step 4: Simplify right side
    2,999,427.40x = 6,716,953,274,593.37
  5. Step 5: Solve for x
    x = 6,716,953,274,593.37/2,999,427.40
  6. Step 6: Final answer
    x = 2,239,411.85

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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.