Finding the Fourth Proportional to 1,474,239.27, 2,034,113.56 and 829,424.19
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Solution
The fourth proportional to 1,474,239.27, 2,034,113.56 and 829,424.19 is: 1,144,415.99
Step by Step Solution
- Step 1: Write the proportion equation
1,474,239.27 : 2,034,113.56 = 829,424.19 : x - Step 2: Convert to fraction form
1,474,239.27/2,034,113.56 = 829,424.19/x - Step 3: Cross multiply
1,474,239.27x = 2,034,113.56 × 829,424.19 - Step 4: Simplify right side
1,474,239.27x = 1,687,142,990,649.00 - Step 5: Solve for x
x = 1,687,142,990,649.00/1,474,239.27 - Step 6: Final answer
x = 1,144,415.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.