Finding the Fourth Proportional to 1,275,473.53, 1,910,317.97 and 988,867.18
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Solution
The fourth proportional to 1,275,473.53, 1,910,317.97 and 988,867.18 is: 1,481,058.37
Step by Step Solution
- Step 1: Write the proportion equation
1,275,473.53 : 1,910,317.97 = 988,867.18 : x - Step 2: Convert to fraction form
1,275,473.53/1,910,317.97 = 988,867.18/x - Step 3: Cross multiply
1,275,473.53x = 1,910,317.97 × 988,867.18 - Step 4: Simplify right side
1,275,473.53x = 1,889,050,741,593.60 - Step 5: Solve for x
x = 1,889,050,741,593.60/1,275,473.53 - Step 6: Final answer
x = 1,481,058.37
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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.