Finding the Fourth Proportional to 4,176,043.20, 6,264,064.80 and 3,364,228.80
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Solution
The fourth proportional to 4,176,043.20, 6,264,064.80 and 3,364,228.80 is: 5,046,343.20
Step by Step Solution
- Step 1: Write the proportion equation
4,176,043.20 : 6,264,064.80 = 3,364,228.80 : x - Step 2: Convert to fraction form
4,176,043.20/6,264,064.80 = 3,364,228.80/x - Step 3: Cross multiply
4,176,043.20x = 6,264,064.80 × 3,364,228.80 - Step 4: Simplify right side
4,176,043.20x = 21,073,747,205,226.24 - Step 5: Solve for x
x = 21,073,747,205,226.24/4,176,043.20 - Step 6: Final answer
x = 5,046,343.20
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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.