Finding the Fourth Proportional to 5,377,194.99, 7,418,937.20 and 3,199,992.75
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Solution
The fourth proportional to 5,377,194.99, 7,418,937.20 and 3,199,992.75 is: 4,415,042.65
Step by Step Solution
- Step 1: Write the proportion equation
5,377,194.99 : 7,418,937.20 = 3,199,992.75 : x - Step 2: Convert to fraction form
5,377,194.99/7,418,937.20 = 3,199,992.75/x - Step 3: Cross multiply
5,377,194.99x = 7,418,937.20 × 3,199,992.75 - Step 4: Simplify right side
5,377,194.99x = 23,740,545,236,705.34 - Step 5: Solve for x
x = 23,740,545,236,705.34/5,377,194.99 - Step 6: Final answer
x = 4,415,042.65
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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.