Finding the Fourth Proportional to 3,843,869.86, 5,304,651.12 and 2,125,101.09
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Solution
The fourth proportional to 3,843,869.86, 5,304,651.12 and 2,125,101.09 is: 2,932,700.71
Step by Step Solution
- Step 1: Write the proportion equation
3,843,869.86 : 5,304,651.12 = 2,125,101.09 : x - Step 2: Convert to fraction form
3,843,869.86/5,304,651.12 = 2,125,101.09/x - Step 3: Cross multiply
3,843,869.86x = 5,304,651.12 × 2,125,101.09 - Step 4: Simplify right side
3,843,869.86x = 11,272,919,877,181.72 - Step 5: Solve for x
x = 11,272,919,877,181.72/3,843,869.86 - Step 6: Final answer
x = 2,932,700.71
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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.