Finding the Fourth Proportional to 3,930,336.42, 5,423,970.24 and 2,211,518.04
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Solution
The fourth proportional to 3,930,336.42, 5,423,970.24 and 2,211,518.04 is: 3,051,954.53
Step by Step Solution
- Step 1: Write the proportion equation
3,930,336.42 : 5,423,970.24 = 2,211,518.04 : x - Step 2: Convert to fraction form
3,930,336.42/5,423,970.24 = 2,211,518.04/x - Step 3: Cross multiply
3,930,336.42x = 5,423,970.24 × 2,211,518.04 - Step 4: Simplify right side
3,930,336.42x = 11,995,208,034,183.13 - Step 5: Solve for x
x = 11,995,208,034,183.13/3,930,336.42 - Step 6: Final answer
x = 3,051,954.53
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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.