Finding the Fourth Proportional to 2,128,758.20, 3,193,647.60 and 708,827.12
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Solution
The fourth proportional to 2,128,758.20, 3,193,647.60 and 708,827.12 is: 1,063,410.60
Step by Step Solution
- Step 1: Write the proportion equation
2,128,758.20 : 3,193,647.60 = 708,827.12 : x - Step 2: Convert to fraction form
2,128,758.20/3,193,647.60 = 708,827.12/x - Step 3: Cross multiply
2,128,758.20x = 3,193,647.60 × 708,827.12 - Step 4: Simplify right side
2,128,758.20x = 2,263,744,030,602.91 - Step 5: Solve for x
x = 2,263,744,030,602.91/2,128,758.20 - Step 6: Final answer
x = 1,063,410.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.