Finding the Fourth Proportional to 5,218,809.18, 7,825,068.27 and 2,339,655.09
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Solution
The fourth proportional to 5,218,809.18, 7,825,068.27 and 2,339,655.09 is: 3,508,072.47
Step by Step Solution
- Step 1: Write the proportion equation
5,218,809.18 : 7,825,068.27 = 2,339,655.09 : x - Step 2: Convert to fraction form
5,218,809.18/7,825,068.27 = 2,339,655.09/x - Step 3: Cross multiply
5,218,809.18x = 7,825,068.27 × 2,339,655.09 - Step 4: Simplify right side
5,218,809.18x = 18,307,960,807,502.99 - Step 5: Solve for x
x = 18,307,960,807,502.99/5,218,809.18 - Step 6: Final answer
x = 3,508,072.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.