Finding the Fourth Proportional to 2,557,898.37, 3,520,940.09 and 2,230,633.98
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Solution
The fourth proportional to 2,557,898.37, 3,520,940.09 and 2,230,633.98 is: 3,070,461.55
Step by Step Solution
- Step 1: Write the proportion equation
2,557,898.37 : 3,520,940.09 = 2,230,633.98 : x - Step 2: Convert to fraction form
2,557,898.37/3,520,940.09 = 2,230,633.98/x - Step 3: Cross multiply
2,557,898.37x = 3,520,940.09 × 2,230,633.98 - Step 4: Simplify right side
2,557,898.37x = 7,853,928,595,145.09 - Step 5: Solve for x
x = 7,853,928,595,145.09/2,557,898.37 - Step 6: Final answer
x = 3,070,461.55
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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.