Finding the Fourth Proportional to 1,402,236.38, 2,102,939.38 and 391,114.52
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Solution
The fourth proportional to 1,402,236.38, 2,102,939.38 and 391,114.52 is: 586,555.98
Step by Step Solution
- Step 1: Write the proportion equation
1,402,236.38 : 2,102,939.38 = 391,114.52 : x - Step 2: Convert to fraction form
1,402,236.38/2,102,939.38 = 391,114.52/x - Step 3: Cross multiply
1,402,236.38x = 2,102,939.38 × 391,114.52 - Step 4: Simplify right side
1,402,236.38x = 822,490,135,887.05 - Step 5: Solve for x
x = 822,490,135,887.05/1,402,236.38 - Step 6: Final answer
x = 586,555.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.