Finding the Fourth Proportional to 3,105,539.99, 4,658,371.85 and 831,060.60
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Solution
The fourth proportional to 3,105,539.99, 4,658,371.85 and 831,060.60 is: 1,246,607.46
Step by Step Solution
- Step 1: Write the proportion equation
3,105,539.99 : 4,658,371.85 = 831,060.60 : x - Step 2: Convert to fraction form
3,105,539.99/4,658,371.85 = 831,060.60/x - Step 3: Cross multiply
3,105,539.99x = 4,658,371.85 × 831,060.60 - Step 4: Simplify right side
3,105,539.99x = 3,871,389,306,761.76 - Step 5: Solve for x
x = 3,871,389,306,761.76/3,105,539.99 - Step 6: Final answer
x = 1,246,607.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.