Finding the Fourth Proportional to 5,394,043.18, 7,444,006.14 and 3,102,205.96
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Solution
The fourth proportional to 5,394,043.18, 7,444,006.14 and 3,102,205.96 is: 4,281,174.52
Step by Step Solution
- Step 1: Write the proportion equation
5,394,043.18 : 7,444,006.14 = 3,102,205.96 : x - Step 2: Convert to fraction form
5,394,043.18/7,444,006.14 = 3,102,205.96/x - Step 3: Cross multiply
5,394,043.18x = 7,444,006.14 × 3,102,205.96 - Step 4: Simplify right side
5,394,043.18x = 23,092,840,213,784.59 - Step 5: Solve for x
x = 23,092,840,213,784.59/5,394,043.18 - Step 6: Final answer
x = 4,281,174.52
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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.