Finding the Fourth Proportional to 1,472,163.85, 2,031,446.14 and 860,459.95
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Solution
The fourth proportional to 1,472,163.85, 2,031,446.14 and 860,459.95 is: 1,187,352.92
Step by Step Solution
- Step 1: Write the proportion equation
1,472,163.85 : 2,031,446.14 = 860,459.95 : x - Step 2: Convert to fraction form
1,472,163.85/2,031,446.14 = 860,459.95/x - Step 3: Cross multiply
1,472,163.85x = 2,031,446.14 × 860,459.95 - Step 4: Simplify right side
1,472,163.85x = 1,747,978,044,052.09 - Step 5: Solve for x
x = 1,747,978,044,052.09/1,472,163.85 - Step 6: Final answer
x = 1,187,352.92
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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.