Finding the Fourth Proportional to 5,219,703.48, 7,827,243.23 and 2,790,268.26
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Solution
The fourth proportional to 5,219,703.48, 7,827,243.23 and 2,790,268.26 is: 4,184,166.47
Step by Step Solution
- Step 1: Write the proportion equation
5,219,703.48 : 7,827,243.23 = 2,790,268.26 : x - Step 2: Convert to fraction form
5,219,703.48/7,827,243.23 = 2,790,268.26/x - Step 3: Cross multiply
5,219,703.48x = 7,827,243.23 × 2,790,268.26 - Step 4: Simplify right side
5,219,703.48x = 21,840,108,325,592.39 - Step 5: Solve for x
x = 21,840,108,325,592.39/5,219,703.48 - Step 6: Final answer
x = 4,184,166.47
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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.