Finding the Fourth Proportional to 1,591,723.28, 2,387,844.12 and 469,905.68
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Solution
The fourth proportional to 1,591,723.28, 2,387,844.12 and 469,905.68 is: 704,935.04
Step by Step Solution
- Step 1: Write the proportion equation
1,591,723.28 : 2,387,844.12 = 469,905.68 : x - Step 2: Convert to fraction form
1,591,723.28/2,387,844.12 = 469,905.68/x - Step 3: Cross multiply
1,591,723.28x = 2,387,844.12 × 469,905.68 - Step 4: Simplify right side
1,591,723.28x = 1,122,061,514,942.60 - Step 5: Solve for x
x = 1,122,061,514,942.60/1,591,723.28 - Step 6: Final answer
x = 704,935.04
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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.