Finding the Fourth Proportional to 4,149,181.80, 6,223,772.70 and 3,830,317.20
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Solution
The fourth proportional to 4,149,181.80, 6,223,772.70 and 3,830,317.20 is: 5,745,475.80
Step by Step Solution
- Step 1: Write the proportion equation
4,149,181.80 : 6,223,772.70 = 3,830,317.20 : x - Step 2: Convert to fraction form
4,149,181.80/6,223,772.70 = 3,830,317.20/x - Step 3: Cross multiply
4,149,181.80x = 6,223,772.70 × 3,830,317.20 - Step 4: Simplify right side
4,149,181.80x = 23,839,023,621,700.44 - Step 5: Solve for x
x = 23,839,023,621,700.44/4,149,181.80 - Step 6: Final answer
x = 5,745,475.80
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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.