Finding the Fourth Proportional to 4,338,064.26, 6,468,312.26 and 4,218,887.34
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Solution
The fourth proportional to 4,338,064.26, 6,468,312.26 and 4,218,887.34 is: 6,290,612.37
Step by Step Solution
- Step 1: Write the proportion equation
4,338,064.26 : 6,468,312.26 = 4,218,887.34 : x - Step 2: Convert to fraction form
4,338,064.26/6,468,312.26 = 4,218,887.34/x - Step 3: Cross multiply
4,338,064.26x = 6,468,312.26 × 4,218,887.34 - Step 4: Simplify right side
4,338,064.26x = 27,289,080,715,428.01 - Step 5: Solve for x
x = 27,289,080,715,428.01/4,338,064.26 - Step 6: Final answer
x = 6,290,612.37
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.