Finding the Fourth Proportional to 1,836,576.78, 2,740,976.99 and 1,788,747.09
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Solution
The fourth proportional to 1,836,576.78, 2,740,976.99 and 1,788,747.09 is: 2,669,594.14
Step by Step Solution
- Step 1: Write the proportion equation
1,836,576.78 : 2,740,976.99 = 1,788,747.09 : x - Step 2: Convert to fraction form
1,836,576.78/2,740,976.99 = 1,788,747.09/x - Step 3: Cross multiply
1,836,576.78x = 2,740,976.99 × 1,788,747.09 - Step 4: Simplify right side
1,836,576.78x = 4,902,914,605,675.72 - Step 5: Solve for x
x = 4,902,914,605,675.72/1,836,576.78 - Step 6: Final answer
x = 2,669,594.14
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.