Finding the Fourth Proportional to 6,375,474.84, 8,798,158.53 and 3,622,167.03
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Solution
The fourth proportional to 6,375,474.84, 8,798,158.53 and 3,622,167.03 is: 4,998,592.35
Step by Step Solution
- Step 1: Write the proportion equation
6,375,474.84 : 8,798,158.53 = 3,622,167.03 : x - Step 2: Convert to fraction form
6,375,474.84/8,798,158.53 = 3,622,167.03/x - Step 3: Cross multiply
6,375,474.84x = 8,798,158.53 × 3,622,167.03 - Step 4: Simplify right side
6,375,474.84x = 31,868,399,752,079.26 - Step 5: Solve for x
x = 31,868,399,752,079.26/6,375,474.84 - Step 6: Final answer
x = 4,998,592.35
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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.