Finding the Fourth Proportional to 3,959,495.36, 5,464,117.92 and 2,148,658.88
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Solution
The fourth proportional to 3,959,495.36, 5,464,117.92 and 2,148,658.88 is: 2,965,157.03
Step by Step Solution
- Step 1: Write the proportion equation
3,959,495.36 : 5,464,117.92 = 2,148,658.88 : x - Step 2: Convert to fraction form
3,959,495.36/5,464,117.92 = 2,148,658.88/x - Step 3: Cross multiply
3,959,495.36x = 5,464,117.92 × 2,148,658.88 - Step 4: Simplify right side
3,959,495.36x = 11,740,525,490,175.13 - Step 5: Solve for x
x = 11,740,525,490,175.13/3,959,495.36 - Step 6: Final answer
x = 2,965,157.03
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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.