Finding the Fourth Proportional to 6,411,507.88, 8,847,880.68 and 3,511,076.08
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Solution
The fourth proportional to 6,411,507.88, 8,847,880.68 and 3,511,076.08 is: 4,845,284.88
Step by Step Solution
- Step 1: Write the proportion equation
6,411,507.88 : 8,847,880.68 = 3,511,076.08 : x - Step 2: Convert to fraction form
6,411,507.88/8,847,880.68 = 3,511,076.08/x - Step 3: Cross multiply
6,411,507.88x = 8,847,880.68 × 3,511,076.08 - Step 4: Simplify right side
6,411,507.88x = 31,065,582,214,242.13 - Step 5: Solve for x
x = 31,065,582,214,242.13/6,411,507.88 - Step 6: Final answer
x = 4,845,284.88
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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.