Finding the Fourth Proportional to 5,144,688.45, 7,717,035.39 and 1,306,798.68
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Solution
The fourth proportional to 5,144,688.45, 7,717,035.39 and 1,306,798.68 is: 1,960,198.71
Step by Step Solution
- Step 1: Write the proportion equation
5,144,688.45 : 7,717,035.39 = 1,306,798.68 : x - Step 2: Convert to fraction form
5,144,688.45/7,717,035.39 = 1,306,798.68/x - Step 3: Cross multiply
5,144,688.45x = 7,717,035.39 × 1,306,798.68 - Step 4: Simplify right side
5,144,688.45x = 10,084,611,661,165.29 - Step 5: Solve for x
x = 10,084,611,661,165.29/5,144,688.45 - Step 6: Final answer
x = 1,960,198.71
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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.