Finding the Fourth Proportional to 4,891,068.75, 6,749,885.67 and 2,715,612.21
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Solution
The fourth proportional to 4,891,068.75, 6,749,885.67 and 2,715,612.21 is: 3,747,661.89
Step by Step Solution
- Step 1: Write the proportion equation
4,891,068.75 : 6,749,885.67 = 2,715,612.21 : x - Step 2: Convert to fraction form
4,891,068.75/6,749,885.67 = 2,715,612.21/x - Step 3: Cross multiply
4,891,068.75x = 6,749,885.67 × 2,715,612.21 - Step 4: Simplify right side
4,891,068.75x = 18,330,071,941,556.03 - Step 5: Solve for x
x = 18,330,071,941,556.03/4,891,068.75 - Step 6: Final answer
x = 3,747,661.89
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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.