Finding the Fourth Proportional to 4,693,896.88, 6,478,588.47 and 2,858,960.14
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Solution
The fourth proportional to 4,693,896.88, 6,478,588.47 and 2,858,960.14 is: 3,945,980.64
Step by Step Solution
- Step 1: Write the proportion equation
4,693,896.88 : 6,478,588.47 = 2,858,960.14 : x - Step 2: Convert to fraction form
4,693,896.88/6,478,588.47 = 2,858,960.14/x - Step 3: Cross multiply
4,693,896.88x = 6,478,588.47 × 2,858,960.14 - Step 4: Simplify right side
4,693,896.88x = 18,522,026,193,718.21 - Step 5: Solve for x
x = 18,522,026,193,718.21/4,693,896.88 - Step 6: Final answer
x = 3,945,980.64
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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.