Finding the Fourth Proportional to 6,124,548.87, 8,452,682.25 and 3,512,075.31
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Solution
The fourth proportional to 6,124,548.87, 8,452,682.25 and 3,512,075.31 is: 4,847,125.44
Step by Step Solution
- Step 1: Write the proportion equation
6,124,548.87 : 8,452,682.25 = 3,512,075.31 : x - Step 2: Convert to fraction form
6,124,548.87/8,452,682.25 = 3,512,075.31/x - Step 3: Cross multiply
6,124,548.87x = 8,452,682.25 × 3,512,075.31 - Step 4: Simplify right side
6,124,548.87x = 29,686,456,633,500.25 - Step 5: Solve for x
x = 29,686,456,633,500.25/6,124,548.87 - Step 6: Final answer
x = 4,847,125.44
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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.