Finding the Fourth Proportional to 1,657,504.76, 2,287,379.94 and 978,441.08
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Solution
The fourth proportional to 1,657,504.76, 2,287,379.94 and 978,441.08 is: 1,350,262.49
Step by Step Solution
- Step 1: Write the proportion equation
1,657,504.76 : 2,287,379.94 = 978,441.08 : x - Step 2: Convert to fraction form
1,657,504.76/2,287,379.94 = 978,441.08/x - Step 3: Cross multiply
1,657,504.76x = 2,287,379.94 × 978,441.08 - Step 4: Simplify right side
1,657,504.76x = 2,238,066,498,863.94 - Step 5: Solve for x
x = 2,238,066,498,863.94/1,657,504.76 - Step 6: Final answer
x = 1,350,262.49
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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.