Finding the Fourth Proportional to 5,740,126.07, 7,921,374.38 and 3,161,806.84
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Solution
The fourth proportional to 5,740,126.07, 7,921,374.38 and 3,161,806.84 is: 4,363,293.66
Step by Step Solution
- Step 1: Write the proportion equation
5,740,126.07 : 7,921,374.38 = 3,161,806.84 : x - Step 2: Convert to fraction form
5,740,126.07/7,921,374.38 = 3,161,806.84/x - Step 3: Cross multiply
5,740,126.07x = 7,921,374.38 × 3,161,806.84 - Step 4: Simplify right side
5,740,126.07x = 25,045,855,696,884.76 - Step 5: Solve for x
x = 25,045,855,696,884.76/5,740,126.07 - Step 6: Final answer
x = 4,363,293.66
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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.