Finding the Fourth Proportional to 2,198,408.18, 3,297,925.28 and 682,222.13
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Solution
The fourth proportional to 2,198,408.18, 3,297,925.28 and 682,222.13 is: 1,023,430.34
Step by Step Solution
- Step 1: Write the proportion equation
2,198,408.18 : 3,297,925.28 = 682,222.13 : x - Step 2: Convert to fraction form
2,198,408.18/3,297,925.28 = 682,222.13/x - Step 3: Cross multiply
2,198,408.18x = 3,297,925.28 × 682,222.13 - Step 4: Simplify right side
2,198,408.18x = 2,249,917,619,052.82 - Step 5: Solve for x
x = 2,249,917,619,052.82/2,198,408.18 - Step 6: Final answer
x = 1,023,430.34
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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.