Finding the Fourth Proportional to 5,288,513.28, 7,932,700.80 and 1,299,459.84
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Solution
The fourth proportional to 5,288,513.28, 7,932,700.80 and 1,299,459.84 is: 1,949,172.78
Step by Step Solution
- Step 1: Write the proportion equation
5,288,513.28 : 7,932,700.80 = 1,299,459.84 : x - Step 2: Convert to fraction form
5,288,513.28/7,932,700.80 = 1,299,459.84/x - Step 3: Cross multiply
5,288,513.28x = 7,932,700.80 × 1,299,459.84 - Step 4: Simplify right side
5,288,513.28x = 10,308,226,112,335.87 - Step 5: Solve for x
x = 10,308,226,112,335.87/5,288,513.28 - Step 6: Final answer
x = 1,949,172.78
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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.