Finding the Fourth Proportional to 1,632,201.40, 2,449,106.70 and 734,278.60
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Solution
The fourth proportional to 1,632,201.40, 2,449,106.70 and 734,278.60 is: 1,101,779.87
Step by Step Solution
- Step 1: Write the proportion equation
1,632,201.40 : 2,449,106.70 = 734,278.60 : x - Step 2: Convert to fraction form
1,632,201.40/2,449,106.70 = 734,278.60/x - Step 3: Cross multiply
1,632,201.40x = 2,449,106.70 × 734,278.60 - Step 4: Simplify right side
1,632,201.40x = 1,798,326,638,926.62 - Step 5: Solve for x
x = 1,798,326,638,926.62/1,632,201.40 - Step 6: Final answer
x = 1,101,779.87
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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.