Finding the Fourth Proportional to 4,145,494.05, 5,721,207.42 and 2,492,176.36
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Solution
The fourth proportional to 4,145,494.05, 5,721,207.42 and 2,492,176.36 is: 3,439,459.26
Step by Step Solution
- Step 1: Write the proportion equation
4,145,494.05 : 5,721,207.42 = 2,492,176.36 : x - Step 2: Convert to fraction form
4,145,494.05/5,721,207.42 = 2,492,176.36/x - Step 3: Cross multiply
4,145,494.05x = 5,721,207.42 × 2,492,176.36 - Step 4: Simplify right side
4,145,494.05x = 14,258,257,882,780.59 - Step 5: Solve for x
x = 14,258,257,882,780.59/4,145,494.05 - Step 6: Final answer
x = 3,439,459.26
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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.