Finding the Fourth Proportional to 4,176,184.38, 6,264,406.17 and 1,987,274.40
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Solution
The fourth proportional to 4,176,184.38, 6,264,406.17 and 1,987,274.40 is: 2,980,973.27
Step by Step Solution
- Step 1: Write the proportion equation
4,176,184.38 : 6,264,406.17 = 1,987,274.40 : x - Step 2: Convert to fraction form
4,176,184.38/6,264,406.17 = 1,987,274.40/x - Step 3: Cross multiply
4,176,184.38x = 6,264,406.17 × 1,987,274.40 - Step 4: Simplify right side
4,176,184.38x = 12,449,094,012,843.05 - Step 5: Solve for x
x = 12,449,094,012,843.05/4,176,184.38 - Step 6: Final answer
x = 2,980,973.27
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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.