Finding the Fourth Proportional to 3,890,043.42, 5,831,074.53 and 1,493,242.62
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Solution
The fourth proportional to 3,890,043.42, 5,831,074.53 and 1,493,242.62 is: 2,238,332.09
Step by Step Solution
- Step 1: Write the proportion equation
3,890,043.42 : 5,831,074.53 = 1,493,242.62 : x - Step 2: Convert to fraction form
3,890,043.42/5,831,074.53 = 1,493,242.62/x - Step 3: Cross multiply
3,890,043.42x = 5,831,074.53 × 1,493,242.62 - Step 4: Simplify right side
3,890,043.42x = 8,707,209,008,592.47 - Step 5: Solve for x
x = 8,707,209,008,592.47/3,890,043.42 - Step 6: Final answer
x = 2,238,332.09
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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.