Finding the Fourth Proportional to 1,622,466.18, 2,239,198.02 and 943,402.68
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Solution
The fourth proportional to 1,622,466.18, 2,239,198.02 and 943,402.68 is: 1,302,008.90
Step by Step Solution
- Step 1: Write the proportion equation
1,622,466.18 : 2,239,198.02 = 943,402.68 : x - Step 2: Convert to fraction form
1,622,466.18/2,239,198.02 = 943,402.68/x - Step 3: Cross multiply
1,622,466.18x = 2,239,198.02 × 943,402.68 - Step 4: Simplify right side
1,622,466.18x = 2,112,465,413,118.69 - Step 5: Solve for x
x = 2,112,465,413,118.69/1,622,466.18 - Step 6: Final answer
x = 1,302,008.90
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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.