Finding the Fourth Proportional to 5,047,160.56, 6,967,578.88 and 3,114,485.44
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Solution
The fourth proportional to 5,047,160.56, 6,967,578.88 and 3,114,485.44 is: 4,299,530.94
Step by Step Solution
- Step 1: Write the proportion equation
5,047,160.56 : 6,967,578.88 = 3,114,485.44 : x - Step 2: Convert to fraction form
5,047,160.56/6,967,578.88 = 3,114,485.44/x - Step 3: Cross multiply
5,047,160.56x = 6,967,578.88 × 3,114,485.44 - Step 4: Simplify right side
5,047,160.56x = 21,700,422,973,811.51 - Step 5: Solve for x
x = 21,700,422,973,811.51/5,047,160.56 - Step 6: Final answer
x = 4,299,530.94
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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.