Finding the Fourth Proportional to 1,547,212.26, 2,135,119.32 and 858,844.29
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Solution
The fourth proportional to 1,547,212.26, 2,135,119.32 and 858,844.29 is: 1,185,186.47
Step by Step Solution
- Step 1: Write the proportion equation
1,547,212.26 : 2,135,119.32 = 858,844.29 : x - Step 2: Convert to fraction form
1,547,212.26/2,135,119.32 = 858,844.29/x - Step 3: Cross multiply
1,547,212.26x = 2,135,119.32 × 858,844.29 - Step 4: Simplify right side
1,547,212.26x = 1,833,735,036,450.68 - Step 5: Solve for x
x = 1,833,735,036,450.68/1,547,212.26 - Step 6: Final answer
x = 1,185,186.47
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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.