Finding the Fourth Proportional to 7,160,977.44, 9,882,355.68 and 3,898,003.68
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Solution
The fourth proportional to 7,160,977.44, 9,882,355.68 and 3,898,003.68 is: 5,379,357.65
Step by Step Solution
- Step 1: Write the proportion equation
7,160,977.44 : 9,882,355.68 = 3,898,003.68 : x - Step 2: Convert to fraction form
7,160,977.44/9,882,355.68 = 3,898,003.68/x - Step 3: Cross multiply
7,160,977.44x = 9,882,355.68 × 3,898,003.68 - Step 4: Simplify right side
7,160,977.44x = 38,521,458,807,708.91 - Step 5: Solve for x
x = 38,521,458,807,708.91/7,160,977.44 - Step 6: Final answer
x = 5,379,357.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.