Finding the Fourth Proportional to 1,944,555.40, 2,682,408.18 and 1,139,583.88
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Solution
The fourth proportional to 1,944,555.40, 2,682,408.18 and 1,139,583.88 is: 1,571,993.85
Step by Step Solution
- Step 1: Write the proportion equation
1,944,555.40 : 2,682,408.18 = 1,139,583.88 : x - Step 2: Convert to fraction form
1,944,555.40/2,682,408.18 = 1,139,583.88/x - Step 3: Cross multiply
1,944,555.40x = 2,682,408.18 × 1,139,583.88 - Step 4: Simplify right side
1,944,555.40x = 3,056,829,121,508.14 - Step 5: Solve for x
x = 3,056,829,121,508.14/1,944,555.40 - Step 6: Final answer
x = 1,571,993.85
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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.