Finding the Fourth Proportional to 5,897,611.18, 8,138,965.35 and 3,319,458.94
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Solution
The fourth proportional to 5,897,611.18, 8,138,965.35 and 3,319,458.94 is: 4,581,000.76
Step by Step Solution
- Step 1: Write the proportion equation
5,897,611.18 : 8,138,965.35 = 3,319,458.94 : x - Step 2: Convert to fraction form
5,897,611.18/8,138,965.35 = 3,319,458.94/x - Step 3: Cross multiply
5,897,611.18x = 8,138,965.35 × 3,319,458.94 - Step 4: Simplify right side
5,897,611.18x = 27,016,961,293,407.73 - Step 5: Solve for x
x = 27,016,961,293,407.73/5,897,611.18 - Step 6: Final answer
x = 4,581,000.76
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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.