Finding the Fourth Proportional to 2,650,021.20, 3,655,806.48 and 1,561,549.68
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Solution
The fourth proportional to 2,650,021.20, 3,655,806.48 and 1,561,549.68 is: 2,154,218.03
Step by Step Solution
- Step 1: Write the proportion equation
2,650,021.20 : 3,655,806.48 = 1,561,549.68 : x - Step 2: Convert to fraction form
2,650,021.20/3,655,806.48 = 1,561,549.68/x - Step 3: Cross multiply
2,650,021.20x = 3,655,806.48 × 1,561,549.68 - Step 4: Simplify right side
2,650,021.20x = 5,708,723,438,985.93 - Step 5: Solve for x
x = 5,708,723,438,985.93/2,650,021.20 - Step 6: Final answer
x = 2,154,218.03
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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.