Finding the Fourth Proportional to 3,589,478.70, 4,953,496.13 and 1,957,921.08
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Solution
The fourth proportional to 3,589,478.70, 4,953,496.13 and 1,957,921.08 is: 2,701,939.56
Step by Step Solution
- Step 1: Write the proportion equation
3,589,478.70 : 4,953,496.13 = 1,957,921.08 : x - Step 2: Convert to fraction form
3,589,478.70/4,953,496.13 = 1,957,921.08/x - Step 3: Cross multiply
3,589,478.70x = 4,953,496.13 × 1,957,921.08 - Step 4: Simplify right side
3,589,478.70x = 9,698,554,482,835.82 - Step 5: Solve for x
x = 9,698,554,482,835.82/3,589,478.70 - Step 6: Final answer
x = 2,701,939.56
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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.