Finding the Fourth Proportional to 4,263,402.20, 6,386,808.90 and 2,575,491.80
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Solution
The fourth proportional to 4,263,402.20, 6,386,808.90 and 2,575,491.80 is: 3,858,227.11
Step by Step Solution
- Step 1: Write the proportion equation
4,263,402.20 : 6,386,808.90 = 2,575,491.80 : x - Step 2: Convert to fraction form
4,263,402.20/6,386,808.90 = 2,575,491.80/x - Step 3: Cross multiply
4,263,402.20x = 6,386,808.90 × 2,575,491.80 - Step 4: Simplify right side
4,263,402.20x = 16,449,173,950,117.02 - Step 5: Solve for x
x = 16,449,173,950,117.02/4,263,402.20 - Step 6: Final answer
x = 3,858,227.11
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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.