Finding the Fourth Proportional to 1,718,211.24, 2,370,992.78 and 993,105.92
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Solution
The fourth proportional to 1,718,211.24, 2,370,992.78 and 993,105.92 is: 1,370,405.99
Step by Step Solution
- Step 1: Write the proportion equation
1,718,211.24 : 2,370,992.78 = 993,105.92 : x - Step 2: Convert to fraction form
1,718,211.24/2,370,992.78 = 993,105.92/x - Step 3: Cross multiply
1,718,211.24x = 2,370,992.78 × 993,105.92 - Step 4: Simplify right side
1,718,211.24x = 2,354,646,974,505.50 - Step 5: Solve for x
x = 2,354,646,974,505.50/1,718,211.24 - Step 6: Final answer
x = 1,370,405.99
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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.