Finding the Fourth Proportional to 5,351,090.04, 7,381,415.99 and 3,415,168.58
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Solution
The fourth proportional to 5,351,090.04, 7,381,415.99 and 3,415,168.58 is: 4,710,961.64
Step by Step Solution
- Step 1: Write the proportion equation
5,351,090.04 : 7,381,415.99 = 3,415,168.58 : x - Step 2: Convert to fraction form
5,351,090.04/7,381,415.99 = 3,415,168.58/x - Step 3: Cross multiply
5,351,090.04x = 7,381,415.99 × 3,415,168.58 - Step 4: Simplify right side
5,351,090.04x = 25,208,779,936,588.44 - Step 5: Solve for x
x = 25,208,779,936,588.44/5,351,090.04 - Step 6: Final answer
x = 4,710,961.64
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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.