Finding the Fourth Proportional to 2,008,554.84, 2,772,207.99 and 1,193,211.50
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Solution
The fourth proportional to 2,008,554.84, 2,772,207.99 and 1,193,211.50 is: 1,646,870.86
Step by Step Solution
- Step 1: Write the proportion equation
2,008,554.84 : 2,772,207.99 = 1,193,211.50 : x - Step 2: Convert to fraction form
2,008,554.84/2,772,207.99 = 1,193,211.50/x - Step 3: Cross multiply
2,008,554.84x = 2,772,207.99 × 1,193,211.50 - Step 4: Simplify right side
2,008,554.84x = 3,307,830,440,198.85 - Step 5: Solve for x
x = 3,307,830,440,198.85/2,008,554.84 - Step 6: Final answer
x = 1,646,870.86
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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.