Finding the Fourth Proportional to 3,198,420.27, 4,413,699.99 and 1,748,103.93
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Solution
The fourth proportional to 3,198,420.27, 4,413,699.99 and 1,748,103.93 is: 2,412,317.85
Step by Step Solution
- Step 1: Write the proportion equation
3,198,420.27 : 4,413,699.99 = 1,748,103.93 : x - Step 2: Convert to fraction form
3,198,420.27/4,413,699.99 = 1,748,103.93/x - Step 3: Cross multiply
3,198,420.27x = 4,413,699.99 × 1,748,103.93 - Step 4: Simplify right side
3,198,420.27x = 7,715,606,298,359.96 - Step 5: Solve for x
x = 7,715,606,298,359.96/3,198,420.27 - Step 6: Final answer
x = 2,412,317.85
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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.