Finding the Fourth Proportional to 2,107,310.65, 2,905,664.43 and 1,556,822.84
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Solution
The fourth proportional to 2,107,310.65, 2,905,664.43 and 1,556,822.84 is: 2,146,624.54
Step by Step Solution
- Step 1: Write the proportion equation
2,107,310.65 : 2,905,664.43 = 1,556,822.84 : x - Step 2: Convert to fraction form
2,107,310.65/2,905,664.43 = 1,556,822.84/x - Step 3: Cross multiply
2,107,310.65x = 2,905,664.43 × 1,556,822.84 - Step 4: Simplify right side
2,107,310.65x = 4,523,604,741,309.35 - Step 5: Solve for x
x = 4,523,604,741,309.35/2,107,310.65 - Step 6: Final answer
x = 2,146,624.54
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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.