Finding the Fourth Proportional to 1,811,136.70, 2,716,705.05 and 971,328.70
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Solution
The fourth proportional to 1,811,136.70, 2,716,705.05 and 971,328.70 is: 1,456,993.05
Step by Step Solution
- Step 1: Write the proportion equation
1,811,136.70 : 2,716,705.05 = 971,328.70 : x - Step 2: Convert to fraction form
1,811,136.70/2,716,705.05 = 971,328.70/x - Step 3: Cross multiply
1,811,136.70x = 2,716,705.05 × 971,328.70 - Step 4: Simplify right side
1,811,136.70x = 2,638,813,584,499.93 - Step 5: Solve for x
x = 2,638,813,584,499.93/1,811,136.70 - Step 6: Final answer
x = 1,456,993.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.