Finding the Fourth Proportional to 1,672,979.92, 2,509,464.84 and 474,903.28
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Solution
The fourth proportional to 1,672,979.92, 2,509,464.84 and 474,903.28 is: 712,353.49
Step by Step Solution
- Step 1: Write the proportion equation
1,672,979.92 : 2,509,464.84 = 474,903.28 : x - Step 2: Convert to fraction form
1,672,979.92/2,509,464.84 = 474,903.28/x - Step 3: Cross multiply
1,672,979.92x = 2,509,464.84 × 474,903.28 - Step 4: Simplify right side
1,672,979.92x = 1,191,753,083,560.68 - Step 5: Solve for x
x = 1,191,753,083,560.68/1,672,979.92 - Step 6: Final answer
x = 712,353.49
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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.