Finding the Fourth Proportional to 5,175,887.09, 7,763,830.62 and 1,581,622.92
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Solution
The fourth proportional to 5,175,887.09, 7,763,830.62 and 1,581,622.92 is: 2,372,434.38
Step by Step Solution
- Step 1: Write the proportion equation
5,175,887.09 : 7,763,830.62 = 1,581,622.92 : x - Step 2: Convert to fraction form
5,175,887.09/7,763,830.62 = 1,581,622.92/x - Step 3: Cross multiply
5,175,887.09x = 7,763,830.62 × 1,581,622.92 - Step 4: Simplify right side
5,175,887.09x = 12,279,452,455,589.81 - Step 5: Solve for x
x = 12,279,452,455,589.81/5,175,887.09 - Step 6: Final answer
x = 2,372,434.38
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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.