Finding the Fourth Proportional to 5,535,362.18, 7,637,853.79 and 3,211,722.01
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Solution
The fourth proportional to 5,535,362.18, 7,637,853.79 and 3,211,722.01 is: 4,431,627.48
Step by Step Solution
- Step 1: Write the proportion equation
5,535,362.18 : 7,637,853.79 = 3,211,722.01 : x - Step 2: Convert to fraction form
5,535,362.18/7,637,853.79 = 3,211,722.01/x - Step 3: Cross multiply
5,535,362.18x = 7,637,853.79 × 3,211,722.01 - Step 4: Simplify right side
5,535,362.18x = 24,530,663,134,840.11 - Step 5: Solve for x
x = 24,530,663,134,840.11/5,535,362.18 - Step 6: Final answer
x = 4,431,627.48
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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.