Finding the Fourth Proportional to 2,964,761.74, 4,089,793.62 and 1,803,563.20
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Solution
The fourth proportional to 2,964,761.74, 4,089,793.62 and 1,803,563.20 is: 2,487,957.52
Step by Step Solution
- Step 1: Write the proportion equation
2,964,761.74 : 4,089,793.62 = 1,803,563.20 : x - Step 2: Convert to fraction form
2,964,761.74/4,089,793.62 = 1,803,563.20/x - Step 3: Cross multiply
2,964,761.74x = 4,089,793.62 × 1,803,563.20 - Step 4: Simplify right side
2,964,761.74x = 7,376,201,268,626.78 - Step 5: Solve for x
x = 7,376,201,268,626.78/2,964,761.74 - Step 6: Final answer
x = 2,487,957.52
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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.