Finding the Fourth Proportional to 1,982,235.48, 2,735,431.80 and 1,123,072.53
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Solution
The fourth proportional to 1,982,235.48, 2,735,431.80 and 1,123,072.53 is: 1,549,809.97
Step by Step Solution
- Step 1: Write the proportion equation
1,982,235.48 : 2,735,431.80 = 1,123,072.53 : x - Step 2: Convert to fraction form
1,982,235.48/2,735,431.80 = 1,123,072.53/x - Step 3: Cross multiply
1,982,235.48x = 2,735,431.80 × 1,123,072.53 - Step 4: Simplify right side
1,982,235.48x = 3,072,088,297,799.06 - Step 5: Solve for x
x = 3,072,088,297,799.06/1,982,235.48 - Step 6: Final answer
x = 1,549,809.97
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.