Finding the Fourth Proportional to 5,049,729.47, 6,968,671.38 and 2,874,412.71
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Solution
The fourth proportional to 5,049,729.47, 6,968,671.38 and 2,874,412.71 is: 3,966,714.99
Step by Step Solution
- Step 1: Write the proportion equation
5,049,729.47 : 6,968,671.38 = 2,874,412.71 : x - Step 2: Convert to fraction form
5,049,729.47/6,968,671.38 = 2,874,412.71/x - Step 3: Cross multiply
5,049,729.47x = 6,968,671.38 × 2,874,412.71 - Step 4: Simplify right side
5,049,729.47x = 20,030,837,586,485.24 - Step 5: Solve for x
x = 20,030,837,586,485.24/5,049,729.47 - Step 6: Final answer
x = 3,966,714.99
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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.