Finding the Fourth Proportional to 2,101,979.28, 3,152,968.95 and 504,542.36
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Solution
The fourth proportional to 2,101,979.28, 3,152,968.95 and 504,542.36 is: 756,813.54
Step by Step Solution
- Step 1: Write the proportion equation
2,101,979.28 : 3,152,968.95 = 504,542.36 : x - Step 2: Convert to fraction form
2,101,979.28/3,152,968.95 = 504,542.36/x - Step 3: Cross multiply
2,101,979.28x = 3,152,968.95 × 504,542.36 - Step 4: Simplify right side
2,101,979.28x = 1,590,806,379,274.88 - Step 5: Solve for x
x = 1,590,806,379,274.88/2,101,979.28 - Step 6: Final answer
x = 756,813.54
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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.