Finding the Fourth Proportional to 2,726,491.40, 4,089,737.10 and 807,471.80
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Solution
The fourth proportional to 2,726,491.40, 4,089,737.10 and 807,471.80 is: 1,211,207.70
Step by Step Solution
- Step 1: Write the proportion equation
2,726,491.40 : 4,089,737.10 = 807,471.80 : x - Step 2: Convert to fraction form
2,726,491.40/4,089,737.10 = 807,471.80/x - Step 3: Cross multiply
2,726,491.40x = 4,089,737.10 × 807,471.80 - Step 4: Simplify right side
2,726,491.40x = 3,302,347,377,663.78 - Step 5: Solve for x
x = 3,302,347,377,663.78/2,726,491.40 - Step 6: Final answer
x = 1,211,207.70
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1.5x scale
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.