Finding the Fourth Proportional to 1,871,639.87, 2,582,982.60 and 1,055,545.79
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Solution
The fourth proportional to 1,871,639.87, 2,582,982.60 and 1,055,545.79 is: 1,456,720.63
Step by Step Solution
- Step 1: Write the proportion equation
1,871,639.87 : 2,582,982.60 = 1,055,545.79 : x - Step 2: Convert to fraction form
1,871,639.87/2,582,982.60 = 1,055,545.79/x - Step 3: Cross multiply
1,871,639.87x = 2,582,982.60 × 1,055,545.79 - Step 4: Simplify right side
1,871,639.87x = 2,726,456,409,073.25 - Step 5: Solve for x
x = 2,726,456,409,073.25/1,871,639.87 - Step 6: Final answer
x = 1,456,720.63
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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.