Finding the Fourth Proportional to 2,110,234.64, 2,912,266.68 and 1,192,145.36
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Solution
The fourth proportional to 2,110,234.64, 2,912,266.68 and 1,192,145.36 is: 1,645,241.31
Step by Step Solution
- Step 1: Write the proportion equation
2,110,234.64 : 2,912,266.68 = 1,192,145.36 : x - Step 2: Convert to fraction form
2,110,234.64/2,912,266.68 = 1,192,145.36/x - Step 3: Cross multiply
2,110,234.64x = 2,912,266.68 × 1,192,145.36 - Step 4: Simplify right side
2,110,234.64x = 3,471,845,209,644.61 - Step 5: Solve for x
x = 3,471,845,209,644.61/2,110,234.64 - Step 6: Final answer
x = 1,645,241.31
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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.