Finding the Fourth Proportional to 5,776,621.58, 7,971,859.42 and 3,163,235.42
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Solution
The fourth proportional to 5,776,621.58, 7,971,859.42 and 3,163,235.42 is: 4,365,331.49
Step by Step Solution
- Step 1: Write the proportion equation
5,776,621.58 : 7,971,859.42 = 3,163,235.42 : x - Step 2: Convert to fraction form
5,776,621.58/7,971,859.42 = 3,163,235.42/x - Step 3: Cross multiply
5,776,621.58x = 7,971,859.42 × 3,163,235.42 - Step 4: Simplify right side
5,776,621.58x = 25,216,868,080,604.66 - Step 5: Solve for x
x = 25,216,868,080,604.66/5,776,621.58 - Step 6: Final answer
x = 4,365,331.49
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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.