Finding the Fourth Proportional to 5,559,519.24, 7,672,139.75 and 3,112,135.02
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Solution
The fourth proportional to 5,559,519.24, 7,672,139.75 and 3,112,135.02 is: 4,294,748.12
Step by Step Solution
- Step 1: Write the proportion equation
5,559,519.24 : 7,672,139.75 = 3,112,135.02 : x - Step 2: Convert to fraction form
5,559,519.24/7,672,139.75 = 3,112,135.02/x - Step 3: Cross multiply
5,559,519.24x = 7,672,139.75 × 3,112,135.02 - Step 4: Simplify right side
5,559,519.24x = 23,876,734,793,336.50 - Step 5: Solve for x
x = 23,876,734,793,336.50/5,559,519.24 - Step 6: Final answer
x = 4,294,748.12
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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.