Finding the Fourth Proportional to 5,351,093.42, 7,381,420.65 and 3,415,171.95
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Solution
The fourth proportional to 5,351,093.42, 7,381,420.65 and 3,415,171.95 is: 4,710,966.30
Step by Step Solution
- Step 1: Write the proportion equation
5,351,093.42 : 7,381,420.65 = 3,415,171.95 : x - Step 2: Convert to fraction form
5,351,093.42/7,381,420.65 = 3,415,171.95/x - Step 3: Cross multiply
5,351,093.42x = 7,381,420.65 × 3,415,171.95 - Step 4: Simplify right side
5,351,093.42x = 25,208,820,755,030.77 - Step 5: Solve for x
x = 25,208,820,755,030.77/5,351,093.42 - Step 6: Final answer
x = 4,710,966.30
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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.