Finding the Fourth Proportional to 2,438,808.05, 3,657,436.62 and 2,279,596.88
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Solution
The fourth proportional to 2,438,808.05, 3,657,436.62 and 2,279,596.88 is: 3,418,670.49
Step by Step Solution
- Step 1: Write the proportion equation
2,438,808.05 : 3,657,436.62 = 2,279,596.88 : x - Step 2: Convert to fraction form
2,438,808.05/3,657,436.62 = 2,279,596.88/x - Step 3: Cross multiply
2,438,808.05x = 3,657,436.62 × 2,279,596.88 - Step 4: Simplify right side
2,438,808.05x = 8,337,481,089,462.56 - Step 5: Solve for x
x = 8,337,481,089,462.56/2,438,808.05 - Step 6: Final answer
x = 3,418,670.49
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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.