Finding the Fourth Proportional to 1,790,085.62, 2,685,135.74 and 725,147.84
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Solution
The fourth proportional to 1,790,085.62, 2,685,135.74 and 725,147.84 is: 1,087,724.71
Step by Step Solution
- Step 1: Write the proportion equation
1,790,085.62 : 2,685,135.74 = 725,147.84 : x - Step 2: Convert to fraction form
1,790,085.62/2,685,135.74 = 725,147.84/x - Step 3: Cross multiply
1,790,085.62x = 2,685,135.74 × 725,147.84 - Step 4: Simplify right side
1,790,085.62x = 1,947,120,364,916.38 - Step 5: Solve for x
x = 1,947,120,364,916.38/1,790,085.62 - Step 6: Final answer
x = 1,087,724.71
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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.