Finding the Fourth Proportional to 2,085,036.14, 2,877,694.14 and 1,431,124.96
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Solution
The fourth proportional to 2,085,036.14, 2,877,694.14 and 1,431,124.96 is: 1,975,188.74
Step by Step Solution
- Step 1: Write the proportion equation
2,085,036.14 : 2,877,694.14 = 1,431,124.96 : x - Step 2: Convert to fraction form
2,085,036.14/2,877,694.14 = 1,431,124.96/x - Step 3: Cross multiply
2,085,036.14x = 2,877,694.14 × 1,431,124.96 - Step 4: Simplify right side
2,085,036.14x = 4,118,339,910,999.73 - Step 5: Solve for x
x = 4,118,339,910,999.73/2,085,036.14 - Step 6: Final answer
x = 1,975,188.74
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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.