Finding the Fourth Proportional to 3,248,799.18, 4,481,935.55 and 1,958,922.99
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Solution
The fourth proportional to 3,248,799.18, 4,481,935.55 and 1,958,922.99 is: 2,702,465.15
Step by Step Solution
- Step 1: Write the proportion equation
3,248,799.18 : 4,481,935.55 = 1,958,922.99 : x - Step 2: Convert to fraction form
3,248,799.18/4,481,935.55 = 1,958,922.99/x - Step 3: Cross multiply
3,248,799.18x = 4,481,935.55 × 1,958,922.99 - Step 4: Simplify right side
3,248,799.18x = 8,779,766,578,798.68 - Step 5: Solve for x
x = 8,779,766,578,798.68/3,248,799.18 - Step 6: Final answer
x = 2,702,465.15
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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.