Finding the Fourth Proportional to 4,123,186.92, 5,689,992.42 and 2,312,335.08
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Solution
The fourth proportional to 4,123,186.92, 5,689,992.42 and 2,312,335.08 is: 3,191,019.31
Step by Step Solution
- Step 1: Write the proportion equation
4,123,186.92 : 5,689,992.42 = 2,312,335.08 : x - Step 2: Convert to fraction form
4,123,186.92/5,689,992.42 = 2,312,335.08/x - Step 3: Cross multiply
4,123,186.92x = 5,689,992.42 × 2,312,335.08 - Step 4: Simplify right side
4,123,186.92x = 13,157,169,077,700.09 - Step 5: Solve for x
x = 13,157,169,077,700.09/4,123,186.92 - Step 6: Final answer
x = 3,191,019.31
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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.