Finding the Fourth Proportional to 3,546,530.96, 4,894,218.15 and 2,018,638.09
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Solution
The fourth proportional to 3,546,530.96, 4,894,218.15 and 2,018,638.09 is: 2,785,723.65
Step by Step Solution
- Step 1: Write the proportion equation
3,546,530.96 : 4,894,218.15 = 2,018,638.09 : x - Step 2: Convert to fraction form
3,546,530.96/4,894,218.15 = 2,018,638.09/x - Step 3: Cross multiply
3,546,530.96x = 4,894,218.15 × 2,018,638.09 - Step 4: Simplify right side
3,546,530.96x = 9,879,655,178,359.33 - Step 5: Solve for x
x = 9,879,655,178,359.33/3,546,530.96 - Step 6: Final answer
x = 2,785,723.65
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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.