Finding the Fourth Proportional to 5,625,642.09, 7,763,423.34 and 3,047,322.84
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Solution
The fourth proportional to 5,625,642.09, 7,763,423.34 and 3,047,322.84 is: 4,205,325.70
Step by Step Solution
- Step 1: Write the proportion equation
5,625,642.09 : 7,763,423.34 = 3,047,322.84 : x - Step 2: Convert to fraction form
5,625,642.09/7,763,423.34 = 3,047,322.84/x - Step 3: Cross multiply
5,625,642.09x = 7,763,423.34 × 3,047,322.84 - Step 4: Simplify right side
5,625,642.09x = 23,657,657,260,571.09 - Step 5: Solve for x
x = 23,657,657,260,571.09/5,625,642.09 - Step 6: Final answer
x = 4,205,325.70
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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.