Finding the Fourth Proportional to 1,820,140.08, 2,511,790.29 and 1,004,343.12
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Solution
The fourth proportional to 1,820,140.08, 2,511,790.29 and 1,004,343.12 is: 1,385,991.84
Step by Step Solution
- Step 1: Write the proportion equation
1,820,140.08 : 2,511,790.29 = 1,004,343.12 : x - Step 2: Convert to fraction form
1,820,140.08/2,511,790.29 = 1,004,343.12/x - Step 3: Cross multiply
1,820,140.08x = 2,511,790.29 × 1,004,343.12 - Step 4: Simplify right side
1,820,140.08x = 2,522,699,296,644.30 - Step 5: Solve for x
x = 2,522,699,296,644.30/1,820,140.08 - Step 6: Final answer
x = 1,385,991.84
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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.