Finding the Fourth Proportional to 2,799,378.21, 3,863,771.99 and 1,831,947.98
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Solution
The fourth proportional to 2,799,378.21, 3,863,771.99 and 1,831,947.98 is: 2,528,500.52
Step by Step Solution
- Step 1: Write the proportion equation
2,799,378.21 : 3,863,771.99 = 1,831,947.98 : x - Step 2: Convert to fraction form
2,799,378.21/3,863,771.99 = 1,831,947.98/x - Step 3: Cross multiply
2,799,378.21x = 3,863,771.99 × 1,831,947.98 - Step 4: Simplify right side
2,799,378.21x = 7,078,229,263,782.48 - Step 5: Solve for x
x = 7,078,229,263,782.48/2,799,378.21 - Step 6: Final answer
x = 2,528,500.52
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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.