Finding the Fourth Proportional to 1,703,913.20, 2,561,118.60 and 1,609,434.80
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Solution
The fourth proportional to 1,703,913.20, 2,561,118.60 and 1,609,434.80 is: 2,419,109.97
Step by Step Solution
- Step 1: Write the proportion equation
1,703,913.20 : 2,561,118.60 = 1,609,434.80 : x - Step 2: Convert to fraction form
1,703,913.20/2,561,118.60 = 1,609,434.80/x - Step 3: Cross multiply
1,703,913.20x = 2,561,118.60 × 1,609,434.80 - Step 4: Simplify right side
1,703,913.20x = 4,121,953,401,767.28 - Step 5: Solve for x
x = 4,121,953,401,767.28/1,703,913.20 - Step 6: Final answer
x = 2,419,109.97
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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.