Finding the Fourth Proportional to 1,476,378.09, 2,037,256.11 and 831,912.93
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Solution
The fourth proportional to 1,476,378.09, 2,037,256.11 and 831,912.93 is: 1,147,957.77
Step by Step Solution
- Step 1: Write the proportion equation
1,476,378.09 : 2,037,256.11 = 831,912.93 : x - Step 2: Convert to fraction form
1,476,378.09/2,037,256.11 = 831,912.93/x - Step 3: Cross multiply
1,476,378.09x = 2,037,256.11 × 831,912.93 - Step 4: Simplify right side
1,476,378.09x = 1,694,819,699,630.50 - Step 5: Solve for x
x = 1,694,819,699,630.50/1,476,378.09 - Step 6: Final answer
x = 1,147,957.77
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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.