Finding the Fourth Proportional to 4,230,138.09, 5,837,597.81 and 2,419,302.09
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Solution
The fourth proportional to 4,230,138.09, 5,837,597.81 and 2,419,302.09 is: 3,338,641.03
Step by Step Solution
- Step 1: Write the proportion equation
4,230,138.09 : 5,837,597.81 = 2,419,302.09 : x - Step 2: Convert to fraction form
4,230,138.09/5,837,597.81 = 2,419,302.09/x - Step 3: Cross multiply
4,230,138.09x = 5,837,597.81 × 2,419,302.09 - Step 4: Simplify right side
4,230,138.09x = 14,122,912,582,312.42 - Step 5: Solve for x
x = 14,122,912,582,312.42/4,230,138.09 - Step 6: Final answer
x = 3,338,641.03
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1.5x scale
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.