Finding the Fourth Proportional to 5,628,756.12, 7,767,679.74 and 3,050,436.90
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Solution
The fourth proportional to 5,628,756.12, 7,767,679.74 and 3,050,436.90 is: 4,209,600.91
Step by Step Solution
- Step 1: Write the proportion equation
5,628,756.12 : 7,767,679.74 = 3,050,436.90 : x - Step 2: Convert to fraction form
5,628,756.12/7,767,679.74 = 3,050,436.90/x - Step 3: Cross multiply
5,628,756.12x = 7,767,679.74 × 3,050,436.90 - Step 4: Simplify right side
5,628,756.12x = 23,694,816,906,278.41 - Step 5: Solve for x
x = 23,694,816,906,278.41/5,628,756.12 - Step 6: Final answer
x = 4,209,600.91
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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.