Finding the Fourth Proportional to 1,310,353.62, 1,965,541.43 and 363,798.15
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Solution
The fourth proportional to 1,310,353.62, 1,965,541.43 and 363,798.15 is: 545,700.28
Step by Step Solution
- Step 1: Write the proportion equation
1,310,353.62 : 1,965,541.43 = 363,798.15 : x - Step 2: Convert to fraction form
1,310,353.62/1,965,541.43 = 363,798.15/x - Step 3: Cross multiply
1,310,353.62x = 1,965,541.43 × 363,798.15 - Step 4: Simplify right side
1,310,353.62x = 715,060,335,982.36 - Step 5: Solve for x
x = 715,060,335,982.36/1,310,353.62 - Step 6: Final answer
x = 545,700.28
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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.