Finding the Fourth Proportional to 3,517,896.79, 4,854,779.76 and 1,969,119.96
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Solution
The fourth proportional to 3,517,896.79, 4,854,779.76 and 1,969,119.96 is: 2,717,431.55
Step by Step Solution
- Step 1: Write the proportion equation
3,517,896.79 : 4,854,779.76 = 1,969,119.96 : x - Step 2: Convert to fraction form
3,517,896.79/4,854,779.76 = 1,969,119.96/x - Step 3: Cross multiply
3,517,896.79x = 4,854,779.76 × 1,969,119.96 - Step 4: Simplify right side
3,517,896.79x = 9,559,643,726,820.01 - Step 5: Solve for x
x = 9,559,643,726,820.01/3,517,896.79 - Step 6: Final answer
x = 2,717,431.55
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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.