Finding the Fourth Proportional to 1,889,958.51, 2,831,781.92 and 1,327,986.99
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Solution
The fourth proportional to 1,889,958.51, 2,831,781.92 and 1,327,986.99 is: 1,989,763.01
Step by Step Solution
- Step 1: Write the proportion equation
1,889,958.51 : 2,831,781.92 = 1,327,986.99 : x - Step 2: Convert to fraction form
1,889,958.51/2,831,781.92 = 1,327,986.99/x - Step 3: Cross multiply
1,889,958.51x = 2,831,781.92 × 1,327,986.99 - Step 4: Simplify right side
1,889,958.51x = 3,760,569,541,637.29 - Step 5: Solve for x
x = 3,760,569,541,637.29/1,889,958.51 - Step 6: Final answer
x = 1,989,763.01
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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.