Finding the Fourth Proportional to 1,427,958.21, 1,970,244.33 and 807,777.63
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Solution
The fourth proportional to 1,427,958.21, 1,970,244.33 and 807,777.63 is: 1,114,541.93
Step by Step Solution
- Step 1: Write the proportion equation
1,427,958.21 : 1,970,244.33 = 807,777.63 : x - Step 2: Convert to fraction form
1,427,958.21/1,970,244.33 = 807,777.63/x - Step 3: Cross multiply
1,427,958.21x = 1,970,244.33 × 807,777.63 - Step 4: Simplify right side
1,427,958.21x = 1,591,519,295,408.34 - Step 5: Solve for x
x = 1,591,519,295,408.34/1,427,958.21 - Step 6: Final answer
x = 1,114,541.93
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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.