Finding the Fourth Proportional to 3,138,659.02, 4,703,603.70 and 1,696,232.74
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Solution
The fourth proportional to 3,138,659.02, 4,703,603.70 and 1,696,232.74 is: 2,541,979.41
Step by Step Solution
- Step 1: Write the proportion equation
3,138,659.02 : 4,703,603.70 = 1,696,232.74 : x - Step 2: Convert to fraction form
3,138,659.02/4,703,603.70 = 1,696,232.74/x - Step 3: Cross multiply
3,138,659.02x = 4,703,603.70 × 1,696,232.74 - Step 4: Simplify right side
3,138,659.02x = 7,978,406,591,925.14 - Step 5: Solve for x
x = 7,978,406,591,925.14/3,138,659.02 - Step 6: Final answer
x = 2,541,979.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.