Finding the Fourth Proportional to 4,089,579.76, 5,644,898.40 and 2,639,278
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Solution
The fourth proportional to 4,089,579.76, 5,644,898.40 and 2,639,278 is: 3,643,028.63
Step by Step Solution
- Step 1: Write the proportion equation
4,089,579.76 : 5,644,898.40 = 2,639,278 : x - Step 2: Convert to fraction form
4,089,579.76/5,644,898.40 = 2,639,278/x - Step 3: Cross multiply
4,089,579.76x = 5,644,898.40 × 2,639,278 - Step 4: Simplify right side
4,089,579.76x = 14,898,456,159,355.20 - Step 5: Solve for x
x = 14,898,456,159,355.20/4,089,579.76 - Step 6: Final answer
x = 3,643,028.63
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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.