Finding the Fourth Proportional to 4,286,805.26, 5,913,100.37 and 2,543,240.23
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Solution
The fourth proportional to 4,286,805.26, 5,913,100.37 and 2,543,240.23 is: 3,508,075.09
Step by Step Solution
- Step 1: Write the proportion equation
4,286,805.26 : 5,913,100.37 = 2,543,240.23 : x - Step 2: Convert to fraction form
4,286,805.26/5,913,100.37 = 2,543,240.23/x - Step 3: Cross multiply
4,286,805.26x = 5,913,100.37 × 2,543,240.23 - Step 4: Simplify right side
4,286,805.26x = 15,038,434,736,587.23 - Step 5: Solve for x
x = 15,038,434,736,587.23/4,286,805.26 - Step 6: Final answer
x = 3,508,075.09
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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.