Finding the Fourth Proportional to 7,739,242.81, 11,609,126.35 and 2,059,472.59
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Solution
The fourth proportional to 7,739,242.81, 11,609,126.35 and 2,059,472.59 is: 3,089,278.64
Step by Step Solution
- Step 1: Write the proportion equation
7,739,242.81 : 11,609,126.35 = 2,059,472.59 : x - Step 2: Convert to fraction form
7,739,242.81/11,609,126.35 = 2,059,472.59/x - Step 3: Cross multiply
7,739,242.81x = 11,609,126.35 × 2,059,472.59 - Step 4: Simplify right side
7,739,242.81x = 23,908,677,477,500.25 - Step 5: Solve for x
x = 23,908,677,477,500.25/7,739,242.81 - Step 6: Final answer
x = 3,089,278.64
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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.