Finding the Fourth Proportional to 4,945,702.10, 6,821,660.77 and 3,478,722.03
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Solution
The fourth proportional to 4,945,702.10, 6,821,660.77 and 3,478,722.03 is: 4,798,239.19
Step by Step Solution
- Step 1: Write the proportion equation
4,945,702.10 : 6,821,660.77 = 3,478,722.03 : x - Step 2: Convert to fraction form
4,945,702.10/6,821,660.77 = 3,478,722.03/x - Step 3: Cross multiply
4,945,702.10x = 6,821,660.77 × 3,478,722.03 - Step 4: Simplify right side
4,945,702.10x = 23,730,661,593,088.96 - Step 5: Solve for x
x = 23,730,661,593,088.96/4,945,702.10 - Step 6: Final answer
x = 4,798,239.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.