Finding the Fourth Proportional to 1,717,675.90, 2,576,513.85 and 1,089,375.10
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Solution
The fourth proportional to 1,717,675.90, 2,576,513.85 and 1,089,375.10 is: 1,634,062.65
Step by Step Solution
- Step 1: Write the proportion equation
1,717,675.90 : 2,576,513.85 = 1,089,375.10 : x - Step 2: Convert to fraction form
1,717,675.90/2,576,513.85 = 1,089,375.10/x - Step 3: Cross multiply
1,717,675.90x = 2,576,513.85 × 1,089,375.10 - Step 4: Simplify right side
1,717,675.90x = 2,806,790,032,995.14 - Step 5: Solve for x
x = 2,806,790,032,995.14/1,717,675.90 - Step 6: Final answer
x = 1,634,062.65
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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.