Finding the Fourth Proportional to 1,855,685.68, 2,560,909.26 and 1,770,655.12
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Solution
The fourth proportional to 1,855,685.68, 2,560,909.26 and 1,770,655.12 is: 2,443,564.20
Step by Step Solution
- Step 1: Write the proportion equation
1,855,685.68 : 2,560,909.26 = 1,770,655.12 : x - Step 2: Convert to fraction form
1,855,685.68/2,560,909.26 = 1,770,655.12/x - Step 3: Cross multiply
1,855,685.68x = 2,560,909.26 × 1,770,655.12 - Step 4: Simplify right side
1,855,685.68x = 4,534,487,093,074.41 - Step 5: Solve for x
x = 4,534,487,093,074.41/1,855,685.68 - Step 6: Final answer
x = 2,443,564.20
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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.