Finding the Fourth Proportional to 3,441,296.99, 4,748,961.07 and 1,913,390.75
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Solution
The fourth proportional to 3,441,296.99, 4,748,961.07 and 1,913,390.75 is: 2,640,463.24
Step by Step Solution
- Step 1: Write the proportion equation
3,441,296.99 : 4,748,961.07 = 1,913,390.75 : x - Step 2: Convert to fraction form
3,441,296.99/4,748,961.07 = 1,913,390.75/x - Step 3: Cross multiply
3,441,296.99x = 4,748,961.07 × 1,913,390.75 - Step 4: Simplify right side
3,441,296.99x = 9,086,618,183,448.10 - Step 5: Solve for x
x = 9,086,618,183,448.10/3,441,296.99 - Step 6: Final answer
x = 2,640,463.24
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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.