Finding the Fourth Proportional to 3,726,908.70, 5,590,363.05 and 3,621,932.70
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Solution
The fourth proportional to 3,726,908.70, 5,590,363.05 and 3,621,932.70 is: 5,432,899.05
Step by Step Solution
- Step 1: Write the proportion equation
3,726,908.70 : 5,590,363.05 = 3,621,932.70 : x - Step 2: Convert to fraction form
3,726,908.70/5,590,363.05 = 3,621,932.70/x - Step 3: Cross multiply
3,726,908.70x = 5,590,363.05 × 3,621,932.70 - Step 4: Simplify right side
3,726,908.70x = 20,247,918,735,666.73 - Step 5: Solve for x
x = 20,247,918,735,666.73/3,726,908.70 - Step 6: Final answer
x = 5,432,899.05
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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.