Finding the Fourth Proportional to 2,799,630.77, 4,195,542.21 and 2,115,956.39
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Solution
The fourth proportional to 2,799,630.77, 4,195,542.21 and 2,115,956.39 is: 3,170,983.99
Step by Step Solution
- Step 1: Write the proportion equation
2,799,630.77 : 4,195,542.21 = 2,115,956.39 : x - Step 2: Convert to fraction form
2,799,630.77/4,195,542.21 = 2,115,956.39/x - Step 3: Cross multiply
2,799,630.77x = 4,195,542.21 × 2,115,956.39 - Step 4: Simplify right side
2,799,630.77x = 8,877,584,327,786.51 - Step 5: Solve for x
x = 8,877,584,327,786.51/2,799,630.77 - Step 6: Final answer
x = 3,170,983.99
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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.