Finding the Fourth Proportional to 4,161,336.40, 6,246,670.20 and 3,218,885.20
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Solution
The fourth proportional to 4,161,336.40, 6,246,670.20 and 3,218,885.20 is: 4,831,936.74
Step by Step Solution
- Step 1: Write the proportion equation
4,161,336.40 : 6,246,670.20 = 3,218,885.20 : x - Step 2: Convert to fraction form
4,161,336.40/6,246,670.20 = 3,218,885.20/x - Step 3: Cross multiply
4,161,336.40x = 6,246,670.20 × 3,218,885.20 - Step 4: Simplify right side
4,161,336.40x = 20,107,314,256,061.04 - Step 5: Solve for x
x = 20,107,314,256,061.04/4,161,336.40 - Step 6: Final answer
x = 4,831,936.74
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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.