Finding the Fourth Proportional to 2,107,167.24, 3,159,470.88 and 826,240.06
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Solution
The fourth proportional to 2,107,167.24, 3,159,470.88 and 826,240.06 is: 1,238,858.20
Step by Step Solution
- Step 1: Write the proportion equation
2,107,167.24 : 3,159,470.88 = 826,240.06 : x - Step 2: Convert to fraction form
2,107,167.24/3,159,470.88 = 826,240.06/x - Step 3: Cross multiply
2,107,167.24x = 3,159,470.88 × 826,240.06 - Step 4: Simplify right side
2,107,167.24x = 2,610,481,409,459.45 - Step 5: Solve for x
x = 2,610,481,409,459.45/2,107,167.24 - Step 6: Final answer
x = 1,238,858.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.