Finding the Fourth Proportional to 2,311,765.68, 3,190,877.76 and 1,345,082.68
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Solution
The fourth proportional to 2,311,765.68, 3,190,877.76 and 1,345,082.68 is: 1,856,587.13
Step by Step Solution
- Step 1: Write the proportion equation
2,311,765.68 : 3,190,877.76 = 1,345,082.68 : x - Step 2: Convert to fraction form
2,311,765.68/3,190,877.76 = 1,345,082.68/x - Step 3: Cross multiply
2,311,765.68x = 3,190,877.76 × 1,345,082.68 - Step 4: Simplify right side
2,311,765.68x = 4,291,994,408,973.20 - Step 5: Solve for x
x = 4,291,994,408,973.20/2,311,765.68 - Step 6: Final answer
x = 1,856,587.13
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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.