Finding the Fourth Proportional to 4,485,771.50, 6,190,285.68 and 2,551,990.86
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Solution
The fourth proportional to 4,485,771.50, 6,190,285.68 and 2,551,990.86 is: 3,521,702.45
Step by Step Solution
- Step 1: Write the proportion equation
4,485,771.50 : 6,190,285.68 = 2,551,990.86 : x - Step 2: Convert to fraction form
4,485,771.50/6,190,285.68 = 2,551,990.86/x - Step 3: Cross multiply
4,485,771.50x = 6,190,285.68 × 2,551,990.86 - Step 4: Simplify right side
4,485,771.50x = 15,797,552,476,148.88 - Step 5: Solve for x
x = 15,797,552,476,148.88/4,485,771.50 - Step 6: Final answer
x = 3,521,702.45
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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.