Finding the Fourth Proportional to 3,816,678.05, 5,266,947.74 and 2,097,798.11
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Solution
The fourth proportional to 3,816,678.05, 5,266,947.74 and 2,097,798.11 is: 2,894,924.03
Step by Step Solution
- Step 1: Write the proportion equation
3,816,678.05 : 5,266,947.74 = 2,097,798.11 : x - Step 2: Convert to fraction form
3,816,678.05/5,266,947.74 = 2,097,798.11/x - Step 3: Cross multiply
3,816,678.05x = 5,266,947.74 × 2,097,798.11 - Step 4: Simplify right side
3,816,678.05x = 11,048,992,977,617.04 - Step 5: Solve for x
x = 11,048,992,977,617.04/3,816,678.05 - Step 6: Final answer
x = 2,894,924.03
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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.