Finding the Fourth Proportional to 5,119,555.45, 7,676,362.18 and 2,423,858.03
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Solution
The fourth proportional to 5,119,555.45, 7,676,362.18 and 2,423,858.03 is: 3,634,380.42
Step by Step Solution
- Step 1: Write the proportion equation
5,119,555.45 : 7,676,362.18 = 2,423,858.03 : x - Step 2: Convert to fraction form
5,119,555.45/7,676,362.18 = 2,423,858.03/x - Step 3: Cross multiply
5,119,555.45x = 7,676,362.18 × 2,423,858.03 - Step 4: Simplify right side
5,119,555.45x = 18,606,412,111,181.30 - Step 5: Solve for x
x = 18,606,412,111,181.30/5,119,555.45 - Step 6: Final answer
x = 3,634,380.42
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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.