Finding the Fourth Proportional to 3,742,808.70, 5,603,715.45 and 3,637,832.70
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Solution
The fourth proportional to 3,742,808.70, 5,603,715.45 and 3,637,832.70 is: 5,446,545.88
Step by Step Solution
- Step 1: Write the proportion equation
3,742,808.70 : 5,603,715.45 = 3,637,832.70 : x - Step 2: Convert to fraction form
3,742,808.70/5,603,715.45 = 3,637,832.70/x - Step 3: Cross multiply
3,742,808.70x = 5,603,715.45 × 3,637,832.70 - Step 4: Simplify right side
3,742,808.70x = 20,385,379,305,505.21 - Step 5: Solve for x
x = 20,385,379,305,505.21/3,742,808.70 - Step 6: Final answer
x = 5,446,545.88
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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.