Finding the Fourth Proportional to 5,405,906.84, 8,108,860.26 and 2,487,705.26
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Solution
The fourth proportional to 5,405,906.84, 8,108,860.26 and 2,487,705.26 is: 3,731,557.89
Step by Step Solution
- Step 1: Write the proportion equation
5,405,906.84 : 8,108,860.26 = 2,487,705.26 : x - Step 2: Convert to fraction form
5,405,906.84/8,108,860.26 = 2,487,705.26/x - Step 3: Cross multiply
5,405,906.84x = 8,108,860.26 × 2,487,705.26 - Step 4: Simplify right side
5,405,906.84x = 20,172,454,321,406.96 - Step 5: Solve for x
x = 20,172,454,321,406.96/5,405,906.84 - Step 6: Final answer
x = 3,731,557.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.