Finding the Fourth Proportional to 2,119,043.26, 3,178,493.82 and 920,965.48
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Solution
The fourth proportional to 2,119,043.26, 3,178,493.82 and 920,965.48 is: 1,381,417.33
Step by Step Solution
- Step 1: Write the proportion equation
2,119,043.26 : 3,178,493.82 = 920,965.48 : x - Step 2: Convert to fraction form
2,119,043.26/3,178,493.82 = 920,965.48/x - Step 3: Cross multiply
2,119,043.26x = 3,178,493.82 × 920,965.48 - Step 4: Simplify right side
2,119,043.26x = 2,927,283,086,613.33 - Step 5: Solve for x
x = 2,927,283,086,613.33/2,119,043.26 - Step 6: Final answer
x = 1,381,417.33
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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.