Finding the Fourth Proportional to 2,217,129.67, 3,059,637.73 and 1,198,536.31
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Solution
The fourth proportional to 2,217,129.67, 3,059,637.73 and 1,198,536.31 is: 1,653,979.45
Step by Step Solution
- Step 1: Write the proportion equation
2,217,129.67 : 3,059,637.73 = 1,198,536.31 : x - Step 2: Convert to fraction form
2,217,129.67/3,059,637.73 = 1,198,536.31/x - Step 3: Cross multiply
2,217,129.67x = 3,059,637.73 × 1,198,536.31 - Step 4: Simplify right side
2,217,129.67x = 3,667,086,914,850.98 - Step 5: Solve for x
x = 3,667,086,914,850.98/2,217,129.67 - Step 6: Final answer
x = 1,653,979.45
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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.