Finding the Fourth Proportional to 3,627,860.26, 5,006,482.68 and 1,996,302.74
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Solution
The fourth proportional to 3,627,860.26, 5,006,482.68 and 1,996,302.74 is: 2,754,917.33
Step by Step Solution
- Step 1: Write the proportion equation
3,627,860.26 : 5,006,482.68 = 1,996,302.74 : x - Step 2: Convert to fraction form
3,627,860.26/5,006,482.68 = 1,996,302.74/x - Step 3: Cross multiply
3,627,860.26x = 5,006,482.68 × 1,996,302.74 - Step 4: Simplify right side
3,627,860.26x = 9,994,455,091,846.54 - Step 5: Solve for x
x = 9,994,455,091,846.54/3,627,860.26 - Step 6: Final answer
x = 2,754,917.33
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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.