Finding the Fourth Proportional to 2,961,790.64, 4,442,852.10 and 831,708.62
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Solution
The fourth proportional to 2,961,790.64, 4,442,852.10 and 831,708.62 is: 1,247,609.58
Step by Step Solution
- Step 1: Write the proportion equation
2,961,790.64 : 4,442,852.10 = 831,708.62 : x - Step 2: Convert to fraction form
2,961,790.64/4,442,852.10 = 831,708.62/x - Step 3: Cross multiply
2,961,790.64x = 4,442,852.10 × 831,708.62 - Step 4: Simplify right side
2,961,790.64x = 3,695,158,388,955.10 - Step 5: Solve for x
x = 3,695,158,388,955.10/2,961,790.64 - Step 6: Final answer
x = 1,247,609.58
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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.