Finding the Fourth Proportional to 5,977,983.60, 8,248,936.05 and 3,363,982.79
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Solution
The fourth proportional to 5,977,983.60, 8,248,936.05 and 3,363,982.79 is: 4,641,912.85
Step by Step Solution
- Step 1: Write the proportion equation
5,977,983.60 : 8,248,936.05 = 3,363,982.79 : x - Step 2: Convert to fraction form
5,977,983.60/8,248,936.05 = 3,363,982.79/x - Step 3: Cross multiply
5,977,983.60x = 8,248,936.05 × 3,363,982.79 - Step 4: Simplify right side
5,977,983.60x = 27,749,278,866,765.90 - Step 5: Solve for x
x = 27,749,278,866,765.90/5,977,983.60 - Step 6: Final answer
x = 4,641,912.85
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1.5x scale
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.