Finding the Fourth Proportional to 5,279,044.81, 7,915,674.12 and 1,634,762.99
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Solution
The fourth proportional to 5,279,044.81, 7,915,674.12 and 1,634,762.99 is: 2,451,248.58
Step by Step Solution
- Step 1: Write the proportion equation
5,279,044.81 : 7,915,674.12 = 1,634,762.99 : x - Step 2: Convert to fraction form
5,279,044.81/7,915,674.12 = 1,634,762.99/x - Step 3: Cross multiply
5,279,044.81x = 7,915,674.12 × 1,634,762.99 - Step 4: Simplify right side
5,279,044.81x = 12,940,251,092,276.82 - Step 5: Solve for x
x = 12,940,251,092,276.82/5,279,044.81 - Step 6: Final answer
x = 2,451,248.58
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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.