Finding the Fourth Proportional to 4,343,161.20, 5,993,569.35 and 2,409,421.74
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Solution
The fourth proportional to 4,343,161.20, 5,993,569.35 and 2,409,421.74 is: 3,325,005.83
Step by Step Solution
- Step 1: Write the proportion equation
4,343,161.20 : 5,993,569.35 = 2,409,421.74 : x - Step 2: Convert to fraction form
4,343,161.20/5,993,569.35 = 2,409,421.74/x - Step 3: Cross multiply
4,343,161.20x = 5,993,569.35 × 2,409,421.74 - Step 4: Simplify right side
4,343,161.20x = 14,441,036,292,087.67 - Step 5: Solve for x
x = 14,441,036,292,087.67/4,343,161.20 - Step 6: Final answer
x = 3,325,005.83
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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.