Finding the Fourth Proportional to 4,223,408.77, 5,833,115.49 and 2,862,919.81
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Solution
The fourth proportional to 4,223,408.77, 5,833,115.49 and 2,862,919.81 is: 3,954,090.83
Step by Step Solution
- Step 1: Write the proportion equation
4,223,408.77 : 5,833,115.49 = 2,862,919.81 : x - Step 2: Convert to fraction form
4,223,408.77/5,833,115.49 = 2,862,919.81/x - Step 3: Cross multiply
4,223,408.77x = 5,833,115.49 × 2,862,919.81 - Step 4: Simplify right side
4,223,408.77x = 16,699,741,908,366.20 - Step 5: Solve for x
x = 16,699,741,908,366.20/4,223,408.77 - Step 6: Final answer
x = 3,954,090.83
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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.