Finding the Fourth Proportional to 1,776,181.75, 2,451,189.14 and 971,365.75
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Solution
The fourth proportional to 1,776,181.75, 2,451,189.14 and 971,365.75 is: 1,340,516.63
Step by Step Solution
- Step 1: Write the proportion equation
1,776,181.75 : 2,451,189.14 = 971,365.75 : x - Step 2: Convert to fraction form
1,776,181.75/2,451,189.14 = 971,365.75/x - Step 3: Cross multiply
1,776,181.75x = 2,451,189.14 × 971,365.75 - Step 4: Simplify right side
1,776,181.75x = 2,381,001,177,367.96 - Step 5: Solve for x
x = 2,381,001,177,367.96/1,776,181.75 - Step 6: Final answer
x = 1,340,516.63
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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.