Finding the Fourth Proportional to 5,545,479.12, 8,318,152.80 and 1,758,994.80
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Solution
The fourth proportional to 5,545,479.12, 8,318,152.80 and 1,758,994.80 is: 2,638,471.30
Step by Step Solution
- Step 1: Write the proportion equation
5,545,479.12 : 8,318,152.80 = 1,758,994.80 : x - Step 2: Convert to fraction form
5,545,479.12/8,318,152.80 = 1,758,994.80/x - Step 3: Cross multiply
5,545,479.12x = 8,318,152.80 × 1,758,994.80 - Step 4: Simplify right side
5,545,479.12x = 14,631,587,520,805.44 - Step 5: Solve for x
x = 14,631,587,520,805.44/5,545,479.12 - Step 6: Final answer
x = 2,638,471.30
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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.