Finding the Fourth Proportional to 3,438,228.30, 5,157,342.45 and 914,138.70
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Solution
The fourth proportional to 3,438,228.30, 5,157,342.45 and 914,138.70 is: 1,371,208.05
Step by Step Solution
- Step 1: Write the proportion equation
3,438,228.30 : 5,157,342.45 = 914,138.70 : x - Step 2: Convert to fraction form
3,438,228.30/5,157,342.45 = 914,138.70/x - Step 3: Cross multiply
3,438,228.30x = 5,157,342.45 × 914,138.70 - Step 4: Simplify right side
3,438,228.30x = 4,714,526,322,697.81 - Step 5: Solve for x
x = 4,714,526,322,697.81/3,438,228.30 - Step 6: Final answer
x = 1,371,208.05
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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.