Finding the Fourth Proportional to 2,131,219.10, 3,181,281.46 and 1,862,174.36
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Solution
The fourth proportional to 2,131,219.10, 3,181,281.46 and 1,862,174.36 is: 2,779,677.02
Step by Step Solution
- Step 1: Write the proportion equation
2,131,219.10 : 3,181,281.46 = 1,862,174.36 : x - Step 2: Convert to fraction form
2,131,219.10/3,181,281.46 = 1,862,174.36/x - Step 3: Cross multiply
2,131,219.10x = 3,181,281.46 × 1,862,174.36 - Step 4: Simplify right side
2,131,219.10x = 5,924,100,766,755.37 - Step 5: Solve for x
x = 5,924,100,766,755.37/2,131,219.10 - Step 6: Final answer
x = 2,779,677.02
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.