Finding the Fourth Proportional to 4,926,539.20, 7,389,808.80 and 3,245,540.80
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Solution
The fourth proportional to 4,926,539.20, 7,389,808.80 and 3,245,540.80 is: 4,868,311.20
Step by Step Solution
- Step 1: Write the proportion equation
4,926,539.20 : 7,389,808.80 = 3,245,540.80 : x - Step 2: Convert to fraction form
4,926,539.20/7,389,808.80 = 3,245,540.80/x - Step 3: Cross multiply
4,926,539.20x = 7,389,808.80 × 3,245,540.80 - Step 4: Simplify right side
4,926,539.20x = 23,983,925,964,599.04 - Step 5: Solve for x
x = 23,983,925,964,599.04/4,926,539.20 - Step 6: Final answer
x = 4,868,311.20
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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.