Finding the Fourth Proportional to 3,593,478.60, 5,390,217.90 and 2,176,302.60
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Solution
The fourth proportional to 3,593,478.60, 5,390,217.90 and 2,176,302.60 is: 3,264,453.90
Step by Step Solution
- Step 1: Write the proportion equation
3,593,478.60 : 5,390,217.90 = 2,176,302.60 : x - Step 2: Convert to fraction form
3,593,478.60/5,390,217.90 = 2,176,302.60/x - Step 3: Cross multiply
3,593,478.60x = 5,390,217.90 × 2,176,302.60 - Step 4: Simplify right side
3,593,478.60x = 11,730,745,230,336.54 - Step 5: Solve for x
x = 11,730,745,230,336.54/3,593,478.60 - Step 6: Final answer
x = 3,264,453.90
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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.