Finding the Fourth Proportional to 1,991,035.85, 2,750,334.14 and 1,560,883.92
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Solution
The fourth proportional to 1,991,035.85, 2,750,334.14 and 1,560,883.92 is: 2,156,140.15
Step by Step Solution
- Step 1: Write the proportion equation
1,991,035.85 : 2,750,334.14 = 1,560,883.92 : x - Step 2: Convert to fraction form
1,991,035.85/2,750,334.14 = 1,560,883.92/x - Step 3: Cross multiply
1,991,035.85x = 2,750,334.14 × 1,560,883.92 - Step 4: Simplify right side
1,991,035.85x = 4,292,952,339,989.24 - Step 5: Solve for x
x = 4,292,952,339,989.24/1,991,035.85 - Step 6: Final answer
x = 2,156,140.15
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.