Finding the Fourth Proportional to 5,623,682.40, 8,435,523.60 and 5,403,232.80
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Solution
The fourth proportional to 5,623,682.40, 8,435,523.60 and 5,403,232.80 is: 8,104,849.20
Step by Step Solution
- Step 1: Write the proportion equation
5,623,682.40 : 8,435,523.60 = 5,403,232.80 : x - Step 2: Convert to fraction form
5,623,682.40/8,435,523.60 = 5,403,232.80/x - Step 3: Cross multiply
5,623,682.40x = 8,435,523.60 × 5,403,232.80 - Step 4: Simplify right side
5,623,682.40x = 45,579,097,800,694.08 - Step 5: Solve for x
x = 45,579,097,800,694.08/5,623,682.40 - Step 6: Final answer
x = 8,104,849.20
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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.