Finding the Fourth Proportional to 1,484,380.65, 2,048,638.47 and 831,255.66
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Solution
The fourth proportional to 1,484,380.65, 2,048,638.47 and 831,255.66 is: 1,147,240.99
Step by Step Solution
- Step 1: Write the proportion equation
1,484,380.65 : 2,048,638.47 = 831,255.66 : x - Step 2: Convert to fraction form
1,484,380.65/2,048,638.47 = 831,255.66/x - Step 3: Cross multiply
1,484,380.65x = 2,048,638.47 × 831,255.66 - Step 4: Simplify right side
1,484,380.65x = 1,702,942,323,481.24 - Step 5: Solve for x
x = 1,702,942,323,481.24/1,484,380.65 - Step 6: Final answer
x = 1,147,240.99
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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.