Finding the Fourth Proportional to 4,998,478.78, 6,897,933.84 and 2,706,639.46
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Solution
The fourth proportional to 4,998,478.78, 6,897,933.84 and 2,706,639.46 is: 3,735,180.39
Step by Step Solution
- Step 1: Write the proportion equation
4,998,478.78 : 6,897,933.84 = 2,706,639.46 : x - Step 2: Convert to fraction form
4,998,478.78/6,897,933.84 = 2,706,639.46/x - Step 3: Cross multiply
4,998,478.78x = 6,897,933.84 × 2,706,639.46 - Step 4: Simplify right side
4,998,478.78x = 18,670,219,923,813.32 - Step 5: Solve for x
x = 18,670,219,923,813.32/4,998,478.78 - Step 6: Final answer
x = 3,735,180.39
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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.