Finding the Fourth Proportional to 2,887,922.16, 3,985,207.02 and 1,598,685.66
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Solution
The fourth proportional to 2,887,922.16, 3,985,207.02 and 1,598,685.66 is: 2,206,116.70
Step by Step Solution
- Step 1: Write the proportion equation
2,887,922.16 : 3,985,207.02 = 1,598,685.66 : x - Step 2: Convert to fraction form
2,887,922.16/3,985,207.02 = 1,598,685.66/x - Step 3: Cross multiply
2,887,922.16x = 3,985,207.02 × 1,598,685.66 - Step 4: Simplify right side
2,887,922.16x = 6,371,093,315,005.33 - Step 5: Solve for x
x = 6,371,093,315,005.33/2,887,922.16 - Step 6: Final answer
x = 2,206,116.70
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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.