Finding the Fourth Proportional to 2,678,140.22, 3,696,964.46 and 1,808,153.44
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Solution
The fourth proportional to 2,678,140.22, 3,696,964.46 and 1,808,153.44 is: 2,496,015.31
Step by Step Solution
- Step 1: Write the proportion equation
2,678,140.22 : 3,696,964.46 = 1,808,153.44 : x - Step 2: Convert to fraction form
2,678,140.22/3,696,964.46 = 1,808,153.44/x - Step 3: Cross multiply
2,678,140.22x = 3,696,964.46 × 1,808,153.44 - Step 4: Simplify right side
2,678,140.22x = 6,684,678,978,381.15 - Step 5: Solve for x
x = 6,684,678,978,381.15/2,678,140.22 - Step 6: Final answer
x = 2,496,015.31
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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.