Finding the Fourth Proportional to 1,850,531.60, 2,775,797.40 and 1,430,109.20
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Solution
The fourth proportional to 1,850,531.60, 2,775,797.40 and 1,430,109.20 is: 2,145,163.80
Step by Step Solution
- Step 1: Write the proportion equation
1,850,531.60 : 2,775,797.40 = 1,430,109.20 : x - Step 2: Convert to fraction form
1,850,531.60/2,775,797.40 = 1,430,109.20/x - Step 3: Cross multiply
1,850,531.60x = 2,775,797.40 × 1,430,109.20 - Step 4: Simplify right side
1,850,531.60x = 3,969,693,399,076.08 - Step 5: Solve for x
x = 3,969,693,399,076.08/1,850,531.60 - Step 6: Final answer
x = 2,145,163.80
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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.