Finding the Fourth Proportional to 2,574,079.58, 3,552,230.36 and 1,428,157.19
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Solution
The fourth proportional to 2,574,079.58, 3,552,230.36 and 1,428,157.19 is: 1,970,857.22
Step by Step Solution
- Step 1: Write the proportion equation
2,574,079.58 : 3,552,230.36 = 1,428,157.19 : x - Step 2: Convert to fraction form
2,574,079.58/3,552,230.36 = 1,428,157.19/x - Step 3: Cross multiply
2,574,079.58x = 3,552,230.36 × 1,428,157.19 - Step 4: Simplify right side
2,574,079.58x = 5,073,143,341,621.26 - Step 5: Solve for x
x = 5,073,143,341,621.26/2,574,079.58 - Step 6: Final answer
x = 1,970,857.22
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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.