Finding the Fourth Proportional to 5,165,963.36, 7,750,688.88 and 2,286,933.12
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Solution
The fourth proportional to 5,165,963.36, 7,750,688.88 and 2,286,933.12 is: 3,431,171.66
Step by Step Solution
- Step 1: Write the proportion equation
5,165,963.36 : 7,750,688.88 = 2,286,933.12 : x - Step 2: Convert to fraction form
5,165,963.36/7,750,688.88 = 2,286,933.12/x - Step 3: Cross multiply
5,165,963.36x = 7,750,688.88 × 2,286,933.12 - Step 4: Simplify right side
5,165,963.36x = 17,725,307,102,487.71 - Step 5: Solve for x
x = 17,725,307,102,487.71/5,165,963.36 - Step 6: Final answer
x = 3,431,171.66
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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.