Finding the Fourth Proportional to 3,777,898.24, 5,213,638.99 and 2,146,582.14
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Solution
The fourth proportional to 3,777,898.24, 5,213,638.99 and 2,146,582.14 is: 2,962,362.57
Step by Step Solution
- Step 1: Write the proportion equation
3,777,898.24 : 5,213,638.99 = 2,146,582.14 : x - Step 2: Convert to fraction form
3,777,898.24/5,213,638.99 = 2,146,582.14/x - Step 3: Cross multiply
3,777,898.24x = 5,213,638.99 × 2,146,582.14 - Step 4: Simplify right side
3,777,898.24x = 11,191,504,340,341.64 - Step 5: Solve for x
x = 11,191,504,340,341.64/3,777,898.24 - Step 6: Final answer
x = 2,962,362.57
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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.