Finding the Fourth Proportional to 3,349,276.50, 4,621,958.20 and 1,821,350.82
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Solution
The fourth proportional to 3,349,276.50, 4,621,958.20 and 1,821,350.82 is: 2,513,440.55
Step by Step Solution
- Step 1: Write the proportion equation
3,349,276.50 : 4,621,958.20 = 1,821,350.82 : x - Step 2: Convert to fraction form
3,349,276.50/4,621,958.20 = 1,821,350.82/x - Step 3: Cross multiply
3,349,276.50x = 4,621,958.20 × 1,821,350.82 - Step 4: Simplify right side
3,349,276.50x = 8,418,207,357,575.73 - Step 5: Solve for x
x = 8,418,207,357,575.73/3,349,276.50 - Step 6: Final answer
x = 2,513,440.55
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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.