Finding the Fourth Proportional to 2,256,408.99, 3,113,828.97 and 1,223,912.62
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Solution
The fourth proportional to 2,256,408.99, 3,113,828.97 and 1,223,912.62 is: 1,688,991.04
Step by Step Solution
- Step 1: Write the proportion equation
2,256,408.99 : 3,113,828.97 = 1,223,912.62 : x - Step 2: Convert to fraction form
2,256,408.99/3,113,828.97 = 1,223,912.62/x - Step 3: Cross multiply
2,256,408.99x = 3,113,828.97 × 1,223,912.62 - Step 4: Simplify right side
2,256,408.99x = 3,811,054,572,904.60 - Step 5: Solve for x
x = 3,811,054,572,904.60/2,256,408.99 - Step 6: Final answer
x = 1,688,991.04
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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.