Finding the Fourth Proportional to 4,072,056.76, 6,107,075.88 and 1,376,322.13
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Solution
The fourth proportional to 4,072,056.76, 6,107,075.88 and 1,376,322.13 is: 2,064,142.07
Step by Step Solution
- Step 1: Write the proportion equation
4,072,056.76 : 6,107,075.88 = 1,376,322.13 : x - Step 2: Convert to fraction form
4,072,056.76/6,107,075.88 = 1,376,322.13/x - Step 3: Cross multiply
4,072,056.76x = 6,107,075.88 × 1,376,322.13 - Step 4: Simplify right side
4,072,056.76x = 8,405,303,683,233.22 - Step 5: Solve for x
x = 8,405,303,683,233.22/4,072,056.76 - Step 6: Final answer
x = 2,064,142.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.