Finding the Fourth Proportional to 1,348,775.20, 2,021,847.36 and 538,918.03
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Solution
The fourth proportional to 1,348,775.20, 2,021,847.36 and 538,918.03 is: 807,851.45
Step by Step Solution
- Step 1: Write the proportion equation
1,348,775.20 : 2,021,847.36 = 538,918.03 : x - Step 2: Convert to fraction form
1,348,775.20/2,021,847.36 = 538,918.03/x - Step 3: Cross multiply
1,348,775.20x = 2,021,847.36 × 538,918.03 - Step 4: Simplify right side
1,348,775.20x = 1,089,609,996,211.90 - Step 5: Solve for x
x = 1,089,609,996,211.90/1,348,775.20 - Step 6: Final answer
x = 807,851.45
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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.