Finding the Fourth Proportional to 2,877,410.12, 3,970,826.35 and 1,588,250.97
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Solution
The fourth proportional to 2,877,410.12, 3,970,826.35 and 1,588,250.97 is: 2,191,786.55
Step by Step Solution
- Step 1: Write the proportion equation
2,877,410.12 : 3,970,826.35 = 1,588,250.97 : x - Step 2: Convert to fraction form
2,877,410.12/3,970,826.35 = 1,588,250.97/x - Step 3: Cross multiply
2,877,410.12x = 3,970,826.35 × 1,588,250.97 - Step 4: Simplify right side
2,877,410.12x = 6,306,668,798,118.43 - Step 5: Solve for x
x = 6,306,668,798,118.43/2,877,410.12 - Step 6: Final answer
x = 2,191,786.55
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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.