Finding the Fourth Proportional to 1,505,472.70, 2,074,688.49 and 1,477,805.80
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Solution
The fourth proportional to 1,505,472.70, 2,074,688.49 and 1,477,805.80 is: 2,036,560.80
Step by Step Solution
- Step 1: Write the proportion equation
1,505,472.70 : 2,074,688.49 = 1,477,805.80 : x - Step 2: Convert to fraction form
1,505,472.70/2,074,688.49 = 1,477,805.80/x - Step 3: Cross multiply
1,505,472.70x = 2,074,688.49 × 1,477,805.80 - Step 4: Simplify right side
1,505,472.70x = 3,065,986,683,715.24 - Step 5: Solve for x
x = 3,065,986,683,715.24/1,505,472.70 - Step 6: Final answer
x = 2,036,560.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.