Finding the Fourth Proportional to 5,332,972.68, 8,000,454.11 and 2,138,348.88
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Solution
The fourth proportional to 5,332,972.68, 8,000,454.11 and 2,138,348.88 is: 3,207,922.32
Step by Step Solution
- Step 1: Write the proportion equation
5,332,972.68 : 8,000,454.11 = 2,138,348.88 : x - Step 2: Convert to fraction form
5,332,972.68/8,000,454.11 = 2,138,348.88/x - Step 3: Cross multiply
5,332,972.68x = 8,000,454.11 × 2,138,348.88 - Step 4: Simplify right side
5,332,972.68x = 17,107,762,074,918.15 - Step 5: Solve for x
x = 17,107,762,074,918.15/5,332,972.68 - Step 6: Final answer
x = 3,207,922.32
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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.