Finding the Fourth Proportional to 7,241,902.10, 10,864,165.35 and 3,638,600.90
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Solution
The fourth proportional to 7,241,902.10, 10,864,165.35 and 3,638,600.90 is: 5,458,560.65
Step by Step Solution
- Step 1: Write the proportion equation
7,241,902.10 : 10,864,165.35 = 3,638,600.90 : x - Step 2: Convert to fraction form
7,241,902.10/10,864,165.35 = 3,638,600.90/x - Step 3: Cross multiply
7,241,902.10x = 10,864,165.35 × 3,638,600.90 - Step 4: Simplify right side
7,241,902.10x = 39,530,361,820,258.81 - Step 5: Solve for x
x = 39,530,361,820,258.81/7,241,902.10 - Step 6: Final answer
x = 5,458,560.65
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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.