Finding the Fourth Proportional to 1,703,992.40, 2,351,623.62 and 979,074.80
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Solution
The fourth proportional to 1,703,992.40, 2,351,623.62 and 979,074.80 is: 1,351,188.79
Step by Step Solution
- Step 1: Write the proportion equation
1,703,992.40 : 2,351,623.62 = 979,074.80 : x - Step 2: Convert to fraction form
1,703,992.40/2,351,623.62 = 979,074.80/x - Step 3: Cross multiply
1,703,992.40x = 2,351,623.62 × 979,074.80 - Step 4: Simplify right side
1,703,992.40x = 2,302,415,425,426.78 - Step 5: Solve for x
x = 2,302,415,425,426.78/1,703,992.40 - Step 6: Final answer
x = 1,351,188.79
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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.