Finding the Fourth Proportional to 2,489,965.48, 3,436,105.70 and 1,523,024.74
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Solution
The fourth proportional to 2,489,965.48, 3,436,105.70 and 1,523,024.74 is: 2,101,745.60
Step by Step Solution
- Step 1: Write the proportion equation
2,489,965.48 : 3,436,105.70 = 1,523,024.74 : x - Step 2: Convert to fraction form
2,489,965.48/3,436,105.70 = 1,523,024.74/x - Step 3: Cross multiply
2,489,965.48x = 3,436,105.70 × 1,523,024.74 - Step 4: Simplify right side
2,489,965.48x = 5,233,273,998,457.71 - Step 5: Solve for x
x = 5,233,273,998,457.71/2,489,965.48 - Step 6: Final answer
x = 2,101,745.60
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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.