Finding the Fourth Proportional to 1,721,278.64, 2,579,555.88 and 1,089,060.68
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Solution
The fourth proportional to 1,721,278.64, 2,579,555.88 and 1,089,060.68 is: 1,632,096.52
Step by Step Solution
- Step 1: Write the proportion equation
1,721,278.64 : 2,579,555.88 = 1,089,060.68 : x - Step 2: Convert to fraction form
1,721,278.64/2,579,555.88 = 1,089,060.68/x - Step 3: Cross multiply
1,721,278.64x = 2,579,555.88 × 1,089,060.68 - Step 4: Simplify right side
1,721,278.64x = 2,809,292,880,770.80 - Step 5: Solve for x
x = 2,809,292,880,770.80/1,721,278.64 - Step 6: Final answer
x = 1,632,096.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.