Finding the Fourth Proportional to 1,538,135.98, 2,305,687.64 and 540,164.14
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Solution
The fourth proportional to 1,538,135.98, 2,305,687.64 and 540,164.14 is: 809,713.70
Step by Step Solution
- Step 1: Write the proportion equation
1,538,135.98 : 2,305,687.64 = 540,164.14 : x - Step 2: Convert to fraction form
1,538,135.98/2,305,687.64 = 540,164.14/x - Step 3: Cross multiply
1,538,135.98x = 2,305,687.64 × 540,164.14 - Step 4: Simplify right side
1,538,135.98x = 1,245,449,781,169.23 - Step 5: Solve for x
x = 1,245,449,781,169.23/1,538,135.98 - Step 6: Final answer
x = 809,713.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.