Finding the Fourth Proportional to 1,793,395.40, 2,474,851.86 and 977,606.60
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Solution
The fourth proportional to 1,793,395.40, 2,474,851.86 and 977,606.60 is: 1,349,078.69
Step by Step Solution
- Step 1: Write the proportion equation
1,793,395.40 : 2,474,851.86 = 977,606.60 : x - Step 2: Convert to fraction form
1,793,395.40/2,474,851.86 = 977,606.60/x - Step 3: Cross multiply
1,793,395.40x = 2,474,851.86 × 977,606.60 - Step 4: Simplify right side
1,793,395.40x = 2,419,431,512,358.28 - Step 5: Solve for x
x = 2,419,431,512,358.28/1,793,395.40 - Step 6: Final answer
x = 1,349,078.69
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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.