Finding the Fourth Proportional to 2,798,921.25, 3,861,544.70 and 1,696,706.06
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Solution
The fourth proportional to 2,798,921.25, 3,861,544.70 and 1,696,706.06 is: 2,340,868.39
Step by Step Solution
- Step 1: Write the proportion equation
2,798,921.25 : 3,861,544.70 = 1,696,706.06 : x - Step 2: Convert to fraction form
2,798,921.25/3,861,544.70 = 1,696,706.06/x - Step 3: Cross multiply
2,798,921.25x = 3,861,544.70 × 1,696,706.06 - Step 4: Simplify right side
2,798,921.25x = 6,551,906,278,384.92 - Step 5: Solve for x
x = 6,551,906,278,384.92/2,798,921.25 - Step 6: Final answer
x = 2,340,868.39
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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.