Finding the Fourth Proportional to 2,235,205.12, 3,084,649.68 and 1,376,260.96
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Solution
The fourth proportional to 2,235,205.12, 3,084,649.68 and 1,376,260.96 is: 1,899,281.14
Step by Step Solution
- Step 1: Write the proportion equation
2,235,205.12 : 3,084,649.68 = 1,376,260.96 : x - Step 2: Convert to fraction form
2,235,205.12/3,084,649.68 = 1,376,260.96/x - Step 3: Cross multiply
2,235,205.12x = 3,084,649.68 × 1,376,260.96 - Step 4: Simplify right side
2,235,205.12x = 4,245,282,929,860.49 - Step 5: Solve for x
x = 4,245,282,929,860.49/2,235,205.12 - Step 6: Final answer
x = 1,899,281.14
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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.