Finding the Fourth Proportional to 1,515,883.41, 2,091,950.76 and 827,584.26
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Solution
The fourth proportional to 1,515,883.41, 2,091,950.76 and 827,584.26 is: 1,142,083.56
Step by Step Solution
- Step 1: Write the proportion equation
1,515,883.41 : 2,091,950.76 = 827,584.26 : x - Step 2: Convert to fraction form
1,515,883.41/2,091,950.76 = 827,584.26/x - Step 3: Cross multiply
1,515,883.41x = 2,091,950.76 × 827,584.26 - Step 4: Simplify right side
1,515,883.41x = 1,731,265,521,671.04 - Step 5: Solve for x
x = 1,731,265,521,671.04/1,515,883.41 - Step 6: Final answer
x = 1,142,083.56
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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.