Finding the Fourth Proportional to 2,531,984.07, 3,494,137.74 and 1,370,430.14
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Solution
The fourth proportional to 2,531,984.07, 3,494,137.74 and 1,370,430.14 is: 1,891,193.44
Step by Step Solution
- Step 1: Write the proportion equation
2,531,984.07 : 3,494,137.74 = 1,370,430.14 : x - Step 2: Convert to fraction form
2,531,984.07/3,494,137.74 = 1,370,430.14/x - Step 3: Cross multiply
2,531,984.07x = 3,494,137.74 × 1,370,430.14 - Step 4: Simplify right side
2,531,984.07x = 4,788,471,654,736.80 - Step 5: Solve for x
x = 4,788,471,654,736.80/2,531,984.07 - Step 6: Final answer
x = 1,891,193.44
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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.