Finding the Fourth Proportional to 5,915,564.64, 8,163,479.19 and 3,199,310.64
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Solution
The fourth proportional to 5,915,564.64, 8,163,479.19 and 3,199,310.64 is: 4,415,048.68
Step by Step Solution
- Step 1: Write the proportion equation
5,915,564.64 : 8,163,479.19 = 3,199,310.64 : x - Step 2: Convert to fraction form
5,915,564.64/8,163,479.19 = 3,199,310.64/x - Step 3: Cross multiply
5,915,564.64x = 8,163,479.19 × 3,199,310.64 - Step 4: Simplify right side
5,915,564.64x = 26,117,505,831,985.58 - Step 5: Solve for x
x = 26,117,505,831,985.58/5,915,564.64 - Step 6: Final answer
x = 4,415,048.68
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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.