Finding the Fourth Proportional to 2,891,620.36, 4,338,917.70 and 1,377,020.80
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Solution
The fourth proportional to 2,891,620.36, 4,338,917.70 and 1,377,020.80 is: 2,066,239.40
Step by Step Solution
- Step 1: Write the proportion equation
2,891,620.36 : 4,338,917.70 = 1,377,020.80 : x - Step 2: Convert to fraction form
2,891,620.36/4,338,917.70 = 1,377,020.80/x - Step 3: Cross multiply
2,891,620.36x = 4,338,917.70 × 1,377,020.80 - Step 4: Simplify right side
2,891,620.36x = 5,974,779,922,388.16 - Step 5: Solve for x
x = 5,974,779,922,388.16/2,891,620.36 - Step 6: Final answer
x = 2,066,239.40
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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.