Finding the Fourth Proportional to 7,920,672, 11,879,105.04 and 3,656,743.68
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Solution
The fourth proportional to 7,920,672, 11,879,105.04 and 3,656,743.68 is: 5,484,236.98
Step by Step Solution
- Step 1: Write the proportion equation
7,920,672 : 11,879,105.04 = 3,656,743.68 : x - Step 2: Convert to fraction form
7,920,672/11,879,105.04 = 3,656,743.68/x - Step 3: Cross multiply
7,920,672x = 11,879,105.04 × 3,656,743.68 - Step 4: Simplify right side
7,920,672x = 43,438,842,279,076.15 - Step 5: Solve for x
x = 43,438,842,279,076.15/7,920,672 - Step 6: Final answer
x = 5,484,236.98
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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.