Finding the Fourth Proportional to 1,474,423.05, 2,211,635.39 and 409,465.02
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Solution
The fourth proportional to 1,474,423.05, 2,211,635.39 and 409,465.02 is: 614,197.75
Step by Step Solution
- Step 1: Write the proportion equation
1,474,423.05 : 2,211,635.39 = 409,465.02 : x - Step 2: Convert to fraction form
1,474,423.05/2,211,635.39 = 409,465.02/x - Step 3: Cross multiply
1,474,423.05x = 2,211,635.39 × 409,465.02 - Step 4: Simplify right side
1,474,423.05x = 905,587,327,151.73 - Step 5: Solve for x
x = 905,587,327,151.73/1,474,423.05 - Step 6: Final answer
x = 614,197.75
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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.