Finding the Fourth Proportional to 2,399,143.12, 3,310,817.08 and 1,311,418.96
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Solution
The fourth proportional to 2,399,143.12, 3,310,817.08 and 1,311,418.96 is: 1,809,757.93
Step by Step Solution
- Step 1: Write the proportion equation
2,399,143.12 : 3,310,817.08 = 1,311,418.96 : x - Step 2: Convert to fraction form
2,399,143.12/3,310,817.08 = 1,311,418.96/x - Step 3: Cross multiply
2,399,143.12x = 3,310,817.08 × 1,311,418.96 - Step 4: Simplify right side
2,399,143.12x = 4,341,868,291,803.84 - Step 5: Solve for x
x = 4,341,868,291,803.84/2,399,143.12 - Step 6: Final answer
x = 1,809,757.93
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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.