Finding the Fourth Proportional to 3,353,971.92, 4,628,247.68 and 1,903,696.88
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Solution
The fourth proportional to 3,353,971.92, 4,628,247.68 and 1,903,696.88 is: 2,626,969.12
Step by Step Solution
- Step 1: Write the proportion equation
3,353,971.92 : 4,628,247.68 = 1,903,696.88 : x - Step 2: Convert to fraction form
3,353,971.92/4,628,247.68 = 1,903,696.88/x - Step 3: Cross multiply
3,353,971.92x = 4,628,247.68 × 1,903,696.88 - Step 4: Simplify right side
3,353,971.92x = 8,810,780,668,283.24 - Step 5: Solve for x
x = 8,810,780,668,283.24/3,353,971.92 - Step 6: Final answer
x = 2,626,969.12
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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.