Finding the Fourth Proportional to 1,917,749.13, 2,874,601.26 and 638,013.84
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Solution
The fourth proportional to 1,917,749.13, 2,874,601.26 and 638,013.84 is: 956,347.92
Step by Step Solution
- Step 1: Write the proportion equation
1,917,749.13 : 2,874,601.26 = 638,013.84 : x - Step 2: Convert to fraction form
1,917,749.13/2,874,601.26 = 638,013.84/x - Step 3: Cross multiply
1,917,749.13x = 2,874,601.26 × 638,013.84 - Step 4: Simplify right side
1,917,749.13x = 1,834,035,388,361.44 - Step 5: Solve for x
x = 1,834,035,388,361.44/1,917,749.13 - Step 6: Final answer
x = 956,347.92
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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.