Finding the Fourth Proportional to 4,352,538.20, 6,000,172.25 and 3,041,720.55
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Solution
The fourth proportional to 4,352,538.20, 6,000,172.25 and 3,041,720.55 is: 4,193,150.39
Step by Step Solution
- Step 1: Write the proportion equation
4,352,538.20 : 6,000,172.25 = 3,041,720.55 : x - Step 2: Convert to fraction form
4,352,538.20/6,000,172.25 = 3,041,720.55/x - Step 3: Cross multiply
4,352,538.20x = 6,000,172.25 × 3,041,720.55 - Step 4: Simplify right side
4,352,538.20x = 18,250,847,221,156.13 - Step 5: Solve for x
x = 18,250,847,221,156.13/4,352,538.20 - Step 6: Final answer
x = 4,193,150.39
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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.