Finding the Fourth Proportional to 2,471,534.58, 3,411,075.72 and 1,383,876.21
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Solution
The fourth proportional to 2,471,534.58, 3,411,075.72 and 1,383,876.21 is: 1,909,949.62
Step by Step Solution
- Step 1: Write the proportion equation
2,471,534.58 : 3,411,075.72 = 1,383,876.21 : x - Step 2: Convert to fraction form
2,471,534.58/3,411,075.72 = 1,383,876.21/x - Step 3: Cross multiply
2,471,534.58x = 3,411,075.72 × 1,383,876.21 - Step 4: Simplify right side
2,471,534.58x = 4,720,506,539,416.62 - Step 5: Solve for x
x = 4,720,506,539,416.62/2,471,534.58 - Step 6: Final answer
x = 1,909,949.62
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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.