Finding the Fourth Proportional to 5,279,046.81, 7,915,677.12 and 1,634,764.98
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Solution
The fourth proportional to 5,279,046.81, 7,915,677.12 and 1,634,764.98 is: 2,451,251.56
Step by Step Solution
- Step 1: Write the proportion equation
5,279,046.81 : 7,915,677.12 = 1,634,764.98 : x - Step 2: Convert to fraction form
5,279,046.81/7,915,677.12 = 1,634,764.98/x - Step 3: Cross multiply
5,279,046.81x = 7,915,677.12 × 1,634,764.98 - Step 4: Simplify right side
5,279,046.81x = 12,940,271,748,763.26 - Step 5: Solve for x
x = 12,940,271,748,763.26/5,279,046.81 - Step 6: Final answer
x = 2,451,251.56
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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.