Finding the Fourth Proportional to 3,259,931.40, 4,498,492.14 and 1,809,626.40
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Solution
The fourth proportional to 3,259,931.40, 4,498,492.14 and 1,809,626.40 is: 2,497,166.09
Step by Step Solution
- Step 1: Write the proportion equation
3,259,931.40 : 4,498,492.14 = 1,809,626.40 : x - Step 2: Convert to fraction form
3,259,931.40/4,498,492.14 = 1,809,626.40/x - Step 3: Cross multiply
3,259,931.40x = 4,498,492.14 × 1,809,626.40 - Step 4: Simplify right side
3,259,931.40x = 8,140,590,136,736.50 - Step 5: Solve for x
x = 8,140,590,136,736.50/3,259,931.40 - Step 6: Final answer
x = 2,497,166.09
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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.