Finding the Fourth Proportional to 2,157,878.62, 3,236,817.03 and 641,554.99
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Solution
The fourth proportional to 2,157,878.62, 3,236,817.03 and 641,554.99 is: 962,332.22
Step by Step Solution
- Step 1: Write the proportion equation
2,157,878.62 : 3,236,817.03 = 641,554.99 : x - Step 2: Convert to fraction form
2,157,878.62/3,236,817.03 = 641,554.99/x - Step 3: Cross multiply
2,157,878.62x = 3,236,817.03 × 641,554.99 - Step 4: Simplify right side
2,157,878.62x = 2,076,596,117,313.48 - Step 5: Solve for x
x = 2,076,596,117,313.48/2,157,878.62 - Step 6: Final answer
x = 962,332.22
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.