Finding the Fourth Proportional to 4,197,472.40, 6,286,877.40 and 3,247,763.60
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Solution
The fourth proportional to 4,197,472.40, 6,286,877.40 and 3,247,763.60 is: 4,864,425.45
Step by Step Solution
- Step 1: Write the proportion equation
4,197,472.40 : 6,286,877.40 = 3,247,763.60 : x - Step 2: Convert to fraction form
4,197,472.40/6,286,877.40 = 3,247,763.60/x - Step 3: Cross multiply
4,197,472.40x = 6,286,877.40 × 3,247,763.60 - Step 4: Simplify right side
4,197,472.40x = 20,418,291,577,382.64 - Step 5: Solve for x
x = 20,418,291,577,382.64/4,197,472.40 - Step 6: Final answer
x = 4,864,425.45
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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.