Finding the Fourth Proportional to 4,144,406.31, 6,211,387.99 and 2,220,546.15
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Solution
The fourth proportional to 4,144,406.31, 6,211,387.99 and 2,220,546.15 is: 3,328,021.59
Step by Step Solution
- Step 1: Write the proportion equation
4,144,406.31 : 6,211,387.99 = 2,220,546.15 : x - Step 2: Convert to fraction form
4,144,406.31/6,211,387.99 = 2,220,546.15/x - Step 3: Cross multiply
4,144,406.31x = 6,211,387.99 × 2,220,546.15 - Step 4: Simplify right side
4,144,406.31x = 13,792,673,687,350.74 - Step 5: Solve for x
x = 13,792,673,687,350.74/4,144,406.31 - Step 6: Final answer
x = 3,328,021.59
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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.