Finding the Fourth Proportional to 4,382,945.99, 6,574,418.99 and 1,188,072.18
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Solution
The fourth proportional to 4,382,945.99, 6,574,418.99 and 1,188,072.18 is: 1,782,108.27
Step by Step Solution
- Step 1: Write the proportion equation
4,382,945.99 : 6,574,418.99 = 1,188,072.18 : x - Step 2: Convert to fraction form
4,382,945.99/6,574,418.99 = 1,188,072.18/x - Step 3: Cross multiply
4,382,945.99x = 6,574,418.99 × 1,188,072.18 - Step 4: Simplify right side
4,382,945.99x = 7,810,884,322,029.61 - Step 5: Solve for x
x = 7,810,884,322,029.61/4,382,945.99 - Step 6: Final answer
x = 1,782,108.27
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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.