Finding the Fourth Proportional to 2,406,512.80, 3,609,769.20 and 987,587.20
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Solution
The fourth proportional to 2,406,512.80, 3,609,769.20 and 987,587.20 is: 1,481,380.80
Step by Step Solution
- Step 1: Write the proportion equation
2,406,512.80 : 3,609,769.20 = 987,587.20 : x - Step 2: Convert to fraction form
2,406,512.80/3,609,769.20 = 987,587.20/x - Step 3: Cross multiply
2,406,512.80x = 3,609,769.20 × 987,587.20 - Step 4: Simplify right side
2,406,512.80x = 3,564,961,856,874.24 - Step 5: Solve for x
x = 3,564,961,856,874.24/2,406,512.80 - Step 6: Final answer
x = 1,481,380.80
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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.