Finding the Fourth Proportional to 7,127,745.27, 10,692,684.80 and 2,579,858.11
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Solution
The fourth proportional to 7,127,745.27, 10,692,684.80 and 2,579,858.11 is: 3,870,173.32
Step by Step Solution
- Step 1: Write the proportion equation
7,127,745.27 : 10,692,684.80 = 2,579,858.11 : x - Step 2: Convert to fraction form
7,127,745.27/10,692,684.80 = 2,579,858.11/x - Step 3: Cross multiply
7,127,745.27x = 10,692,684.80 × 2,579,858.11 - Step 4: Simplify right side
7,127,745.27x = 27,585,609,598,953.73 - Step 5: Solve for x
x = 27,585,609,598,953.73/7,127,745.27 - Step 6: Final answer
x = 3,870,173.32
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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.