Finding the Fourth Proportional to 4,161,952.72, 5,744,225.68 and 2,420,161.07
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Solution
The fourth proportional to 4,161,952.72, 5,744,225.68 and 2,420,161.07 is: 3,340,247.31
Step by Step Solution
- Step 1: Write the proportion equation
4,161,952.72 : 5,744,225.68 = 2,420,161.07 : x - Step 2: Convert to fraction form
4,161,952.72/5,744,225.68 = 2,420,161.07/x - Step 3: Cross multiply
4,161,952.72x = 5,744,225.68 × 2,420,161.07 - Step 4: Simplify right side
4,161,952.72x = 13,901,951,368,030.28 - Step 5: Solve for x
x = 13,901,951,368,030.28/4,161,952.72 - Step 6: Final answer
x = 3,340,247.31
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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.