Finding the Fourth Proportional to 3,299,691.68, 4,554,212.87 and 2,151,779.12
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Solution
The fourth proportional to 3,299,691.68, 4,554,212.87 and 2,151,779.12 is: 2,969,871.46
Step by Step Solution
- Step 1: Write the proportion equation
3,299,691.68 : 4,554,212.87 = 2,151,779.12 : x - Step 2: Convert to fraction form
3,299,691.68/4,554,212.87 = 2,151,779.12/x - Step 3: Cross multiply
3,299,691.68x = 4,554,212.87 × 2,151,779.12 - Step 4: Simplify right side
3,299,691.68x = 9,799,660,144,309.66 - Step 5: Solve for x
x = 9,799,660,144,309.66/3,299,691.68 - Step 6: Final answer
x = 2,969,871.46
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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.