Finding the Fourth Proportional to 3,210,296.96, 4,430,208.70 and 1,759,961.27
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Solution
The fourth proportional to 3,210,296.96, 4,430,208.70 and 1,759,961.27 is: 2,428,745.95
Step by Step Solution
- Step 1: Write the proportion equation
3,210,296.96 : 4,430,208.70 = 1,759,961.27 : x - Step 2: Convert to fraction form
3,210,296.96/4,430,208.70 = 1,759,961.27/x - Step 3: Cross multiply
3,210,296.96x = 4,430,208.70 × 1,759,961.27 - Step 4: Simplify right side
3,210,296.96x = 7,796,995,730,017.05 - Step 5: Solve for x
x = 7,796,995,730,017.05/3,210,296.96 - Step 6: Final answer
x = 2,428,745.95
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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.