Finding the Fourth Proportional to 2,711,696.79, 3,743,894.55 and 1,680,299.07
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Solution
The fourth proportional to 2,711,696.79, 3,743,894.55 and 1,680,299.07 is: 2,319,898.95
Step by Step Solution
- Step 1: Write the proportion equation
2,711,696.79 : 3,743,894.55 = 1,680,299.07 : x - Step 2: Convert to fraction form
2,711,696.79/3,743,894.55 = 1,680,299.07/x - Step 3: Cross multiply
2,711,696.79x = 3,743,894.55 × 1,680,299.07 - Step 4: Simplify right side
2,711,696.79x = 6,290,862,530,543.07 - Step 5: Solve for x
x = 6,290,862,530,543.07/2,711,696.79 - Step 6: Final answer
x = 2,319,898.95
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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.