Finding the Fourth Proportional to 5,007,087.18, 6,909,782.14 and 2,715,247.26
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Solution
The fourth proportional to 5,007,087.18, 6,909,782.14 and 2,715,247.26 is: 3,747,042.21
Step by Step Solution
- Step 1: Write the proportion equation
5,007,087.18 : 6,909,782.14 = 2,715,247.26 : x - Step 2: Convert to fraction form
5,007,087.18/6,909,782.14 = 2,715,247.26/x - Step 3: Cross multiply
5,007,087.18x = 6,909,782.14 × 2,715,247.26 - Step 4: Simplify right side
5,007,087.18x = 18,761,767,022,831.93 - Step 5: Solve for x
x = 18,761,767,022,831.93/5,007,087.18 - Step 6: Final answer
x = 3,747,042.21
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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.