Finding the Fourth Proportional to 1,828,212.96, 2,743,369.49 and 1,427,729.52
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Solution
The fourth proportional to 1,828,212.96, 2,743,369.49 and 1,427,729.52 is: 2,142,414.31
Step by Step Solution
- Step 1: Write the proportion equation
1,828,212.96 : 2,743,369.49 = 1,427,729.52 : x - Step 2: Convert to fraction form
1,828,212.96/2,743,369.49 = 1,427,729.52/x - Step 3: Cross multiply
1,828,212.96x = 2,743,369.49 × 1,427,729.52 - Step 4: Simplify right side
1,828,212.96x = 3,916,789,605,140.35 - Step 5: Solve for x
x = 3,916,789,605,140.35/1,828,212.96 - Step 6: Final answer
x = 2,142,414.31
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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.