Finding the Fourth Proportional to 1,761,425.73, 2,430,776.79 and 987,058.31
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Solution
The fourth proportional to 1,761,425.73, 2,430,776.79 and 987,058.31 is: 1,362,145.66
Step by Step Solution
- Step 1: Write the proportion equation
1,761,425.73 : 2,430,776.79 = 987,058.31 : x - Step 2: Convert to fraction form
1,761,425.73/2,430,776.79 = 987,058.31/x - Step 3: Cross multiply
1,761,425.73x = 2,430,776.79 × 987,058.31 - Step 4: Simplify right side
1,761,425.73x = 2,399,318,418,170.74 - Step 5: Solve for x
x = 2,399,318,418,170.74/1,761,425.73 - Step 6: Final answer
x = 1,362,145.66
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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.