Finding the Fourth Proportional to 4,269,811.20, 6,404,716.80 and 1,747,276.80
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Solution
The fourth proportional to 4,269,811.20, 6,404,716.80 and 1,747,276.80 is: 2,620,915.20
Step by Step Solution
- Step 1: Write the proportion equation
4,269,811.20 : 6,404,716.80 = 1,747,276.80 : x - Step 2: Convert to fraction form
4,269,811.20/6,404,716.80 = 1,747,276.80/x - Step 3: Cross multiply
4,269,811.20x = 6,404,716.80 × 1,747,276.80 - Step 4: Simplify right side
4,269,811.20x = 11,190,813,075,210.24 - Step 5: Solve for x
x = 11,190,813,075,210.24/4,269,811.20 - Step 6: Final answer
x = 2,620,915.20
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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.