Finding the Fourth Proportional to 4,638,821.36, 6,401,924.10 and 2,574,227.75
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Solution
The fourth proportional to 4,638,821.36, 6,401,924.10 and 2,574,227.75 is: 3,552,628.86
Step by Step Solution
- Step 1: Write the proportion equation
4,638,821.36 : 6,401,924.10 = 2,574,227.75 : x - Step 2: Convert to fraction form
4,638,821.36/6,401,924.10 = 2,574,227.75/x - Step 3: Cross multiply
4,638,821.36x = 6,401,924.10 × 2,574,227.75 - Step 4: Simplify right side
4,638,821.36x = 16,480,010,639,604.15 - Step 5: Solve for x
x = 16,480,010,639,604.15/4,638,821.36 - Step 6: Final answer
x = 3,552,628.86
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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.