Finding the Fourth Proportional to 1,406,537.12, 2,109,816.12 and 395,761.31
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Solution
The fourth proportional to 1,406,537.12, 2,109,816.12 and 395,761.31 is: 593,644.90
Step by Step Solution
- Step 1: Write the proportion equation
1,406,537.12 : 2,109,816.12 = 395,761.31 : x - Step 2: Convert to fraction form
1,406,537.12/2,109,816.12 = 395,761.31/x - Step 3: Cross multiply
1,406,537.12x = 2,109,816.12 × 395,761.31 - Step 4: Simplify right side
1,406,537.12x = 834,983,580,961.24 - Step 5: Solve for x
x = 834,983,580,961.24/1,406,537.12 - Step 6: Final answer
x = 593,644.90
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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.