Finding the Fourth Proportional to 2,124,782.03, 2,932,189.49 and 1,157,912.07
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Solution
The fourth proportional to 2,124,782.03, 2,932,189.49 and 1,157,912.07 is: 1,597,913.36
Step by Step Solution
- Step 1: Write the proportion equation
2,124,782.03 : 2,932,189.49 = 1,157,912.07 : x - Step 2: Convert to fraction form
2,124,782.03/2,932,189.49 = 1,157,912.07/x - Step 3: Cross multiply
2,124,782.03x = 2,932,189.49 × 1,157,912.07 - Step 4: Simplify right side
2,124,782.03x = 3,395,217,593,897.21 - Step 5: Solve for x
x = 3,395,217,593,897.21/2,124,782.03 - Step 6: Final answer
x = 1,597,913.36
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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.