Finding the Fourth Proportional to 4,798,354.11, 6,621,728.99 and 2,622,905.88
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Solution
The fourth proportional to 4,798,354.11, 6,621,728.99 and 2,622,905.88 is: 3,619,610.29
Step by Step Solution
- Step 1: Write the proportion equation
4,798,354.11 : 6,621,728.99 = 2,622,905.88 : x - Step 2: Convert to fraction form
4,798,354.11/6,621,728.99 = 2,622,905.88/x - Step 3: Cross multiply
4,798,354.11x = 6,621,728.99 × 2,622,905.88 - Step 4: Simplify right side
4,798,354.11x = 17,368,171,890,522.93 - Step 5: Solve for x
x = 17,368,171,890,522.93/4,798,354.11 - Step 6: Final answer
x = 3,619,610.29
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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.