Finding the Fourth Proportional to 4,479,238.48, 6,716,881.08 and 1,283,639.44
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Solution
The fourth proportional to 4,479,238.48, 6,716,881.08 and 1,283,639.44 is: 1,924,892.70
Step by Step Solution
- Step 1: Write the proportion equation
4,479,238.48 : 6,716,881.08 = 1,283,639.44 : x - Step 2: Convert to fraction form
4,479,238.48/6,716,881.08 = 1,283,639.44/x - Step 3: Cross multiply
4,479,238.48x = 6,716,881.08 × 1,283,639.44 - Step 4: Simplify right side
4,479,238.48x = 8,622,053,468,077.80 - Step 5: Solve for x
x = 8,622,053,468,077.80/4,479,238.48 - Step 6: Final answer
x = 1,924,892.70
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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.