Finding the Fourth Proportional to 2,185,848.79, 3,278,991.90 and 669,514.21
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Solution
The fourth proportional to 2,185,848.79, 3,278,991.90 and 669,514.21 is: 1,004,338.31
Step by Step Solution
- Step 1: Write the proportion equation
2,185,848.79 : 3,278,991.90 = 669,514.21 : x - Step 2: Convert to fraction form
2,185,848.79/3,278,991.90 = 669,514.21/x - Step 3: Cross multiply
2,185,848.79x = 3,278,991.90 × 669,514.21 - Step 4: Simplify right side
2,185,848.79x = 2,195,331,671,524.90 - Step 5: Solve for x
x = 2,195,331,671,524.90/2,185,848.79 - Step 6: Final answer
x = 1,004,338.31
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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.