Finding the Fourth Proportional to 2,711,699.79, 3,743,898.71 and 1,680,302.09
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Solution
The fourth proportional to 2,711,699.79, 3,743,898.71 and 1,680,302.09 is: 2,319,903.12
Step by Step Solution
- Step 1: Write the proportion equation
2,711,699.79 : 3,743,898.71 = 1,680,302.09 : x - Step 2: Convert to fraction form
2,711,699.79/3,743,898.71 = 1,680,302.09/x - Step 3: Cross multiply
2,711,699.79x = 3,743,898.71 × 1,680,302.09 - Step 4: Simplify right side
2,711,699.79x = 6,290,880,800,040.30 - Step 5: Solve for x
x = 6,290,880,800,040.30/2,711,699.79 - Step 6: Final answer
x = 2,319,903.12
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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.