Finding the Fourth Proportional to 1,919,230.62, 2,878,849.17 and 657,069.18
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Solution
The fourth proportional to 1,919,230.62, 2,878,849.17 and 657,069.18 is: 985,604.88
Step by Step Solution
- Step 1: Write the proportion equation
1,919,230.62 : 2,878,849.17 = 657,069.18 : x - Step 2: Convert to fraction form
1,919,230.62/2,878,849.17 = 657,069.18/x - Step 3: Cross multiply
1,919,230.62x = 2,878,849.17 × 657,069.18 - Step 4: Simplify right side
1,919,230.62x = 1,891,603,063,475.58 - Step 5: Solve for x
x = 1,891,603,063,475.58/1,919,230.62 - Step 6: Final answer
x = 985,604.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.