Finding the Fourth Proportional to 3,379,857.21, 5,045,199.81 and 3,130,079.94
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Solution
The fourth proportional to 3,379,857.21, 5,045,199.81 and 3,130,079.94 is: 4,672,350.85
Step by Step Solution
- Step 1: Write the proportion equation
3,379,857.21 : 5,045,199.81 = 3,130,079.94 : x - Step 2: Convert to fraction form
3,379,857.21/5,045,199.81 = 3,130,079.94/x - Step 3: Cross multiply
3,379,857.21x = 5,045,199.81 × 3,130,079.94 - Step 4: Simplify right side
3,379,857.21x = 15,791,878,677,696.41 - Step 5: Solve for x
x = 15,791,878,677,696.41/3,379,857.21 - Step 6: Final answer
x = 4,672,350.85
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.