Finding the Fourth Proportional to 5,920,075.95, 8,169,704.86 and 3,203,821.95
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Solution
The fourth proportional to 5,920,075.95, 8,169,704.86 and 3,203,821.95 is: 4,421,274.31
Step by Step Solution
- Step 1: Write the proportion equation
5,920,075.95 : 8,169,704.86 = 3,203,821.95 : x - Step 2: Convert to fraction form
5,920,075.95/8,169,704.86 = 3,203,821.95/x - Step 3: Cross multiply
5,920,075.95x = 8,169,704.86 × 3,203,821.95 - Step 4: Simplify right side
5,920,075.95x = 26,174,279,714,641.15 - Step 5: Solve for x
x = 26,174,279,714,641.15/5,920,075.95 - Step 6: Final answer
x = 4,421,274.31
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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.