Finding the Fourth Proportional to 5,120,904.24, 7,683,421.86 and 2,279,072.70
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Solution
The fourth proportional to 5,120,904.24, 7,683,421.86 and 2,279,072.70 is: 3,419,528.31
Step by Step Solution
- Step 1: Write the proportion equation
5,120,904.24 : 7,683,421.86 = 2,279,072.70 : x - Step 2: Convert to fraction form
5,120,904.24/7,683,421.86 = 2,279,072.70/x - Step 3: Cross multiply
5,120,904.24x = 7,683,421.86 × 2,279,072.70 - Step 4: Simplify right side
5,120,904.24x = 17,511,077,003,709.22 - Step 5: Solve for x
x = 17,511,077,003,709.22/5,120,904.24 - Step 6: Final answer
x = 3,419,528.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.