Finding the Fourth Proportional to 3,112,902.96, 4,295,809.08 and 1,682,118.96
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Solution
The fourth proportional to 3,112,902.96, 4,295,809.08 and 1,682,118.96 is: 2,321,325.78
Step by Step Solution
- Step 1: Write the proportion equation
3,112,902.96 : 4,295,809.08 = 1,682,118.96 : x - Step 2: Convert to fraction form
3,112,902.96/4,295,809.08 = 1,682,118.96/x - Step 3: Cross multiply
3,112,902.96x = 4,295,809.08 × 1,682,118.96 - Step 4: Simplify right side
3,112,902.96x = 7,226,061,902,008.16 - Step 5: Solve for x
x = 7,226,061,902,008.16/3,112,902.96 - Step 6: Final answer
x = 2,321,325.78
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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.