Finding the Fourth Proportional to 1,625,957.09, 2,243,732.41 and 900,761.56
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Solution
The fourth proportional to 1,625,957.09, 2,243,732.41 and 900,761.56 is: 1,243,001.99
Step by Step Solution
- Step 1: Write the proportion equation
1,625,957.09 : 2,243,732.41 = 900,761.56 : x - Step 2: Convert to fraction form
1,625,957.09/2,243,732.41 = 900,761.56/x - Step 3: Cross multiply
1,625,957.09x = 2,243,732.41 × 900,761.56 - Step 4: Simplify right side
1,625,957.09x = 2,021,067,905,854.16 - Step 5: Solve for x
x = 2,021,067,905,854.16/1,625,957.09 - Step 6: Final answer
x = 1,243,001.99
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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.