Finding the Fourth Proportional to 5,455,376.48, 8,182,768.12 and 1,668,859.36
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Solution
The fourth proportional to 5,455,376.48, 8,182,768.12 and 1,668,859.36 is: 2,503,198.30
Step by Step Solution
- Step 1: Write the proportion equation
5,455,376.48 : 8,182,768.12 = 1,668,859.36 : x - Step 2: Convert to fraction form
5,455,376.48/8,182,768.12 = 1,668,859.36/x - Step 3: Cross multiply
5,455,376.48x = 8,182,768.12 × 1,668,859.36 - Step 4: Simplify right side
5,455,376.48x = 13,655,889,143,142.53 - Step 5: Solve for x
x = 13,655,889,143,142.53/5,455,376.48 - Step 6: Final answer
x = 2,503,198.30
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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.