Finding the Fourth Proportional to 1,490,408.73, 2,228,745.92 and 1,106,881.83
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Solution
The fourth proportional to 1,490,408.73, 2,228,745.92 and 1,106,881.83 is: 1,655,222.70
Step by Step Solution
- Step 1: Write the proportion equation
1,490,408.73 : 2,228,745.92 = 1,106,881.83 : x - Step 2: Convert to fraction form
1,490,408.73/2,228,745.92 = 1,106,881.83/x - Step 3: Cross multiply
1,490,408.73x = 2,228,745.92 × 1,106,881.83 - Step 4: Simplify right side
1,490,408.73x = 2,466,958,357,000.22 - Step 5: Solve for x
x = 2,466,958,357,000.22/1,490,408.73 - Step 6: Final answer
x = 1,655,222.70
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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.