Finding the Fourth Proportional to 3,788,470.56, 5,684,947.76 and 1,393,996.68
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Solution
The fourth proportional to 3,788,470.56, 5,684,947.76 and 1,393,996.68 is: 2,091,819.95
Step by Step Solution
- Step 1: Write the proportion equation
3,788,470.56 : 5,684,947.76 = 1,393,996.68 : x - Step 2: Convert to fraction form
3,788,470.56/5,684,947.76 = 1,393,996.68/x - Step 3: Cross multiply
3,788,470.56x = 5,684,947.76 × 1,393,996.68 - Step 4: Simplify right side
3,788,470.56x = 7,924,798,303,413.44 - Step 5: Solve for x
x = 7,924,798,303,413.44/3,788,470.56 - Step 6: Final answer
x = 2,091,819.95
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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.