Finding the Fourth Proportional to 5,079,367.44, 7,009,612.56 and 2,787,741.36
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Solution
The fourth proportional to 5,079,367.44, 7,009,612.56 and 2,787,741.36 is: 3,847,130.00
Step by Step Solution
- Step 1: Write the proportion equation
5,079,367.44 : 7,009,612.56 = 2,787,741.36 : x - Step 2: Convert to fraction form
5,079,367.44/7,009,612.56 = 2,787,741.36/x - Step 3: Cross multiply
5,079,367.44x = 7,009,612.56 × 2,787,741.36 - Step 4: Simplify right side
5,079,367.44x = 19,540,986,851,087.48 - Step 5: Solve for x
x = 19,540,986,851,087.48/5,079,367.44 - Step 6: Final answer
x = 3,847,130.00
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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.