Finding the Fourth Proportional to 7,324,929.60, 10,987,221.60 and 2,006,145.60
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Solution
The fourth proportional to 7,324,929.60, 10,987,221.60 and 2,006,145.60 is: 3,009,171.07
Step by Step Solution
- Step 1: Write the proportion equation
7,324,929.60 : 10,987,221.60 = 2,006,145.60 : x - Step 2: Convert to fraction form
7,324,929.60/10,987,221.60 = 2,006,145.60/x - Step 3: Cross multiply
7,324,929.60x = 10,987,221.60 × 2,006,145.60 - Step 4: Simplify right side
7,324,929.60x = 22,041,966,269,064.96 - Step 5: Solve for x
x = 22,041,966,269,064.96/7,324,929.60 - Step 6: Final answer
x = 3,009,171.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.