Finding the Fourth Proportional to 7,864,071.81, 11,797,894.73 and 2,399,655.44
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Solution
The fourth proportional to 7,864,071.81, 11,797,894.73 and 2,399,655.44 is: 3,600,028.45
Step by Step Solution
- Step 1: Write the proportion equation
7,864,071.81 : 11,797,894.73 = 2,399,655.44 : x - Step 2: Convert to fraction form
7,864,071.81/11,797,894.73 = 2,399,655.44/x - Step 3: Cross multiply
7,864,071.81x = 11,797,894.73 × 2,399,655.44 - Step 4: Simplify right side
7,864,071.81x = 28,310,882,258,487.85 - Step 5: Solve for x
x = 28,310,882,258,487.85/7,864,071.81 - Step 6: Final answer
x = 3,600,028.45
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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.