Finding the Fourth Proportional to 2,826,415.10, 4,238,163.45 and 831,611.90
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Solution
The fourth proportional to 2,826,415.10, 4,238,163.45 and 831,611.90 is: 1,246,988.51
Step by Step Solution
- Step 1: Write the proportion equation
2,826,415.10 : 4,238,163.45 = 831,611.90 : x - Step 2: Convert to fraction form
2,826,415.10/4,238,163.45 = 831,611.90/x - Step 3: Cross multiply
2,826,415.10x = 4,238,163.45 × 831,611.90 - Step 4: Simplify right side
2,826,415.10x = 3,524,507,159,165.06 - Step 5: Solve for x
x = 3,524,507,159,165.06/2,826,415.10 - Step 6: Final answer
x = 1,246,988.51
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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.