Finding the Fourth Proportional to 5,373,578.04, 7,402,924.38 and 3,739,174.68
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Solution
The fourth proportional to 5,373,578.04, 7,402,924.38 and 3,739,174.68 is: 5,151,284.15
Step by Step Solution
- Step 1: Write the proportion equation
5,373,578.04 : 7,402,924.38 = 3,739,174.68 : x - Step 2: Convert to fraction form
5,373,578.04/7,402,924.38 = 3,739,174.68/x - Step 3: Cross multiply
5,373,578.04x = 7,402,924.38 × 3,739,174.68 - Step 4: Simplify right side
5,373,578.04x = 27,680,827,399,650.70 - Step 5: Solve for x
x = 27,680,827,399,650.70/5,373,578.04 - Step 6: Final answer
x = 5,151,284.15
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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.