Finding the Fourth Proportional to 4,107,257.40, 6,164,385.30 and 1,836,276.60
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Solution
The fourth proportional to 4,107,257.40, 6,164,385.30 and 1,836,276.60 is: 2,755,979.33
Step by Step Solution
- Step 1: Write the proportion equation
4,107,257.40 : 6,164,385.30 = 1,836,276.60 : x - Step 2: Convert to fraction form
4,107,257.40/6,164,385.30 = 1,836,276.60/x - Step 3: Cross multiply
4,107,257.40x = 6,164,385.30 × 1,836,276.60 - Step 4: Simplify right side
4,107,257.40x = 11,319,516,479,773.98 - Step 5: Solve for x
x = 11,319,516,479,773.98/4,107,257.40 - Step 6: Final answer
x = 2,755,979.33
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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.