Finding the Fourth Proportional to 1,511,718.84, 2,086,171.80 and 832,655.34
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Solution
The fourth proportional to 1,511,718.84, 2,086,171.80 and 832,655.34 is: 1,149,064.26
Step by Step Solution
- Step 1: Write the proportion equation
1,511,718.84 : 2,086,171.80 = 832,655.34 : x - Step 2: Convert to fraction form
1,511,718.84/2,086,171.80 = 832,655.34/x - Step 3: Cross multiply
1,511,718.84x = 2,086,171.80 × 832,655.34 - Step 4: Simplify right side
1,511,718.84x = 1,737,062,089,427.41 - Step 5: Solve for x
x = 1,737,062,089,427.41/1,511,718.84 - Step 6: Final answer
x = 1,149,064.26
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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.