Finding the Fourth Proportional to 4,901,128.08, 7,336,643.94 and 4,439,233.68
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Solution
The fourth proportional to 4,901,128.08, 7,336,643.94 and 4,439,233.68 is: 6,645,220.52
Step by Step Solution
- Step 1: Write the proportion equation
4,901,128.08 : 7,336,643.94 = 4,439,233.68 : x - Step 2: Convert to fraction form
4,901,128.08/7,336,643.94 = 4,439,233.68/x - Step 3: Cross multiply
4,901,128.08x = 7,336,643.94 × 4,439,233.68 - Step 4: Simplify right side
4,901,128.08x = 32,569,076,876,615.90 - Step 5: Solve for x
x = 32,569,076,876,615.90/4,901,128.08 - Step 6: Final answer
x = 6,645,220.52
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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.