Finding the Fourth Proportional to 3,136,970.40, 4,699,234.80 and 1,871,037.60
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Solution
The fourth proportional to 3,136,970.40, 4,699,234.80 and 1,871,037.60 is: 2,802,846.02
Step by Step Solution
- Step 1: Write the proportion equation
3,136,970.40 : 4,699,234.80 = 1,871,037.60 : x - Step 2: Convert to fraction form
3,136,970.40/4,699,234.80 = 1,871,037.60/x - Step 3: Cross multiply
3,136,970.40x = 4,699,234.80 × 1,871,037.60 - Step 4: Simplify right side
3,136,970.40x = 8,792,445,002,028.48 - Step 5: Solve for x
x = 8,792,445,002,028.48/3,136,970.40 - Step 6: Final answer
x = 2,802,846.02
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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.