Finding the Fourth Proportional to 1,900,551.12, 2,850,324.48 and 821,439.96
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Solution
The fourth proportional to 1,900,551.12, 2,850,324.48 and 821,439.96 is: 1,231,942.88
Step by Step Solution
- Step 1: Write the proportion equation
1,900,551.12 : 2,850,324.48 = 821,439.96 : x - Step 2: Convert to fraction form
1,900,551.12/2,850,324.48 = 821,439.96/x - Step 3: Cross multiply
1,900,551.12x = 2,850,324.48 × 821,439.96 - Step 4: Simplify right side
1,900,551.12x = 2,341,370,426,838.22 - Step 5: Solve for x
x = 2,341,370,426,838.22/1,900,551.12 - Step 6: Final answer
x = 1,231,942.88
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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.