Finding the Fourth Proportional to 4,621,559.28, 6,375,602.64 and 2,990,493.18
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Solution
The fourth proportional to 4,621,559.28, 6,375,602.64 and 2,990,493.18 is: 4,125,489.92
Step by Step Solution
- Step 1: Write the proportion equation
4,621,559.28 : 6,375,602.64 = 2,990,493.18 : x - Step 2: Convert to fraction form
4,621,559.28/6,375,602.64 = 2,990,493.18/x - Step 3: Cross multiply
4,621,559.28x = 6,375,602.64 × 2,990,493.18 - Step 4: Simplify right side
4,621,559.28x = 19,066,196,213,310.00 - Step 5: Solve for x
x = 19,066,196,213,310.00/4,621,559.28 - Step 6: Final answer
x = 4,125,489.92
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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.