Finding the Fourth Proportional to 2,242,806.40, 3,364,987.20 and 981,539.20
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Solution
The fourth proportional to 2,242,806.40, 3,364,987.20 and 981,539.20 is: 1,472,649.11
Step by Step Solution
- Step 1: Write the proportion equation
2,242,806.40 : 3,364,987.20 = 981,539.20 : x - Step 2: Convert to fraction form
2,242,806.40/3,364,987.20 = 981,539.20/x - Step 3: Cross multiply
2,242,806.40x = 3,364,987.20 × 981,539.20 - Step 4: Simplify right side
2,242,806.40x = 3,302,866,844,298.24 - Step 5: Solve for x
x = 3,302,866,844,298.24/2,242,806.40 - Step 6: Final answer
x = 1,472,649.11
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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.