Finding the Fourth Proportional to 1,871,193.60, 2,808,102.60 and 1,198,909.80
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Solution
The fourth proportional to 1,871,193.60, 2,808,102.60 and 1,198,909.80 is: 1,799,205.45
Step by Step Solution
- Step 1: Write the proportion equation
1,871,193.60 : 2,808,102.60 = 1,198,909.80 : x - Step 2: Convert to fraction form
1,871,193.60/2,808,102.60 = 1,198,909.80/x - Step 3: Cross multiply
1,871,193.60x = 2,808,102.60 × 1,198,909.80 - Step 4: Simplify right side
1,871,193.60x = 3,366,661,726,545.48 - Step 5: Solve for x
x = 3,366,661,726,545.48/1,871,193.60 - Step 6: Final answer
x = 1,799,205.45
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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.