Finding the Fourth Proportional to 1,415,923.70, 2,122,732.59 and 658,243.02
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Solution
The fourth proportional to 1,415,923.70, 2,122,732.59 and 658,243.02 is: 986,828.53
Step by Step Solution
- Step 1: Write the proportion equation
1,415,923.70 : 2,122,732.59 = 658,243.02 : x - Step 2: Convert to fraction form
1,415,923.70/2,122,732.59 = 658,243.02/x - Step 3: Cross multiply
1,415,923.70x = 2,122,732.59 × 658,243.02 - Step 4: Simplify right side
1,415,923.70x = 1,397,273,896,789.14 - Step 5: Solve for x
x = 1,397,273,896,789.14/1,415,923.70 - Step 6: Final answer
x = 986,828.53
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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.