Finding the Fourth Proportional to 4,620,663.63, 6,373,790.37 and 2,898,794.79
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Solution
The fourth proportional to 4,620,663.63, 6,373,790.37 and 2,898,794.79 is: 3,998,626.99
Step by Step Solution
- Step 1: Write the proportion equation
4,620,663.63 : 6,373,790.37 = 2,898,794.79 : x - Step 2: Convert to fraction form
4,620,663.63/6,373,790.37 = 2,898,794.79/x - Step 3: Cross multiply
4,620,663.63x = 6,373,790.37 × 2,898,794.79 - Step 4: Simplify right side
4,620,663.63x = 18,476,310,317,108.17 - Step 5: Solve for x
x = 18,476,310,317,108.17/4,620,663.63 - Step 6: Final answer
x = 3,998,626.99
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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.