Finding the Fourth Proportional to 5,574,729.60, 8,364,859.20 and 3,180,412.80
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Solution
The fourth proportional to 5,574,729.60, 8,364,859.20 and 3,180,412.80 is: 4,772,196.53
Step by Step Solution
- Step 1: Write the proportion equation
5,574,729.60 : 8,364,859.20 = 3,180,412.80 : x - Step 2: Convert to fraction form
5,574,729.60/8,364,859.20 = 3,180,412.80/x - Step 3: Cross multiply
5,574,729.60x = 8,364,859.20 × 3,180,412.80 - Step 4: Simplify right side
5,574,729.60x = 26,603,705,269,877.76 - Step 5: Solve for x
x = 26,603,705,269,877.76/5,574,729.60 - Step 6: Final answer
x = 4,772,196.53
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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.