Finding the Fourth Proportional to 1,929,792.93, 2,891,035.68 and 1,288,161.96
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Solution
The fourth proportional to 1,929,792.93, 2,891,035.68 and 1,288,161.96 is: 1,929,804.04
Step by Step Solution
- Step 1: Write the proportion equation
1,929,792.93 : 2,891,035.68 = 1,288,161.96 : x - Step 2: Convert to fraction form
1,929,792.93/2,891,035.68 = 1,288,161.96/x - Step 3: Cross multiply
1,929,792.93x = 2,891,035.68 × 1,288,161.96 - Step 4: Simplify right side
1,929,792.93x = 3,724,122,187,978.73 - Step 5: Solve for x
x = 3,724,122,187,978.73/1,929,792.93 - Step 6: Final answer
x = 1,929,804.04
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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.