Finding the Fourth Proportional to 1,703,939.40, 2,351,398.49 and 939,992.76
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Solution
The fourth proportional to 1,703,939.40, 2,351,398.49 and 939,992.76 is: 1,297,169.11
Step by Step Solution
- Step 1: Write the proportion equation
1,703,939.40 : 2,351,398.49 = 939,992.76 : x - Step 2: Convert to fraction form
1,703,939.40/2,351,398.49 = 939,992.76/x - Step 3: Cross multiply
1,703,939.40x = 2,351,398.49 × 939,992.76 - Step 4: Simplify right side
1,703,939.40x = 2,210,297,556,474.93 - Step 5: Solve for x
x = 2,210,297,556,474.93/1,703,939.40 - Step 6: Final answer
x = 1,297,169.11
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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.