Finding the Fourth Proportional to 4,338,346.16, 5,987,276.16 and 2,405,213.12
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Solution
The fourth proportional to 4,338,346.16, 5,987,276.16 and 2,405,213.12 is: 3,319,392.84
Step by Step Solution
- Step 1: Write the proportion equation
4,338,346.16 : 5,987,276.16 = 2,405,213.12 : x - Step 2: Convert to fraction form
4,338,346.16/5,987,276.16 = 2,405,213.12/x - Step 3: Cross multiply
4,338,346.16x = 5,987,276.16 × 2,405,213.12 - Step 4: Simplify right side
4,338,346.16x = 14,400,675,173,095.22 - Step 5: Solve for x
x = 14,400,675,173,095.22/4,338,346.16 - Step 6: Final answer
x = 3,319,392.84
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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.