Finding the Fourth Proportional to 1,790,342.23, 2,685,486.92 and 442,504.99
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Solution
The fourth proportional to 1,790,342.23, 2,685,486.92 and 442,504.99 is: 663,750.95
Step by Step Solution
- Step 1: Write the proportion equation
1,790,342.23 : 2,685,486.92 = 442,504.99 : x - Step 2: Convert to fraction form
1,790,342.23/2,685,486.92 = 442,504.99/x - Step 3: Cross multiply
1,790,342.23x = 2,685,486.92 × 442,504.99 - Step 4: Simplify right side
1,790,342.23x = 1,188,341,360,467.21 - Step 5: Solve for x
x = 1,188,341,360,467.21/1,790,342.23 - Step 6: Final answer
x = 663,750.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.