Finding the Fourth Proportional to 3,405,057.18, 5,106,474.48 and 1,129,970.40
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Solution
The fourth proportional to 3,405,057.18, 5,106,474.48 and 1,129,970.40 is: 1,694,586.82
Step by Step Solution
- Step 1: Write the proportion equation
3,405,057.18 : 5,106,474.48 = 1,129,970.40 : x - Step 2: Convert to fraction form
3,405,057.18/5,106,474.48 = 1,129,970.40/x - Step 3: Cross multiply
3,405,057.18x = 5,106,474.48 × 1,129,970.40 - Step 4: Simplify right side
3,405,057.18x = 5,770,165,010,755.39 - Step 5: Solve for x
x = 5,770,165,010,755.39/3,405,057.18 - Step 6: Final answer
x = 1,694,586.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.