Finding the Fourth Proportional to 3,609,904.20, 5,414,856.30 and 2,806,837.80
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Solution
The fourth proportional to 3,609,904.20, 5,414,856.30 and 2,806,837.80 is: 4,210,256.70
Step by Step Solution
- Step 1: Write the proportion equation
3,609,904.20 : 5,414,856.30 = 2,806,837.80 : x - Step 2: Convert to fraction form
3,609,904.20/5,414,856.30 = 2,806,837.80/x - Step 3: Cross multiply
3,609,904.20x = 5,414,856.30 × 2,806,837.80 - Step 4: Simplify right side
3,609,904.20x = 15,198,623,344,408.14 - Step 5: Solve for x
x = 15,198,623,344,408.14/3,609,904.20 - Step 6: Final answer
x = 4,210,256.70
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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.