Finding the Fourth Proportional to 1,631,928.19, 2,447,889.18 and 433,850.32
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Solution
The fourth proportional to 1,631,928.19, 2,447,889.18 and 433,850.32 is: 650,774.65
Step by Step Solution
- Step 1: Write the proportion equation
1,631,928.19 : 2,447,889.18 = 433,850.32 : x - Step 2: Convert to fraction form
1,631,928.19/2,447,889.18 = 433,850.32/x - Step 3: Cross multiply
1,631,928.19x = 2,447,889.18 × 433,850.32 - Step 4: Simplify right side
1,631,928.19x = 1,062,017,504,067.54 - Step 5: Solve for x
x = 1,062,017,504,067.54/1,631,928.19 - Step 6: Final answer
x = 650,774.65
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1.5x scale
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.