Finding the Fourth Proportional to 5,485,378.48, 8,233,374.84 and 2,647,488.40
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Solution
The fourth proportional to 5,485,378.48, 8,233,374.84 and 2,647,488.40 is: 3,973,794.05
Step by Step Solution
- Step 1: Write the proportion equation
5,485,378.48 : 8,233,374.84 = 2,647,488.40 : x - Step 2: Convert to fraction form
5,485,378.48/8,233,374.84 = 2,647,488.40/x - Step 3: Cross multiply
5,485,378.48x = 8,233,374.84 × 2,647,488.40 - Step 4: Simplify right side
5,485,378.48x = 21,797,764,381,751.86 - Step 5: Solve for x
x = 21,797,764,381,751.86/5,485,378.48 - Step 6: Final answer
x = 3,973,794.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.