Finding the Fourth Proportional to 2,539,006.05, 3,503,800.89 and 1,393,086.09
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Solution
The fourth proportional to 2,539,006.05, 3,503,800.89 and 1,393,086.09 is: 1,922,443.74
Step by Step Solution
- Step 1: Write the proportion equation
2,539,006.05 : 3,503,800.89 = 1,393,086.09 : x - Step 2: Convert to fraction form
2,539,006.05/3,503,800.89 = 1,393,086.09/x - Step 3: Cross multiply
2,539,006.05x = 3,503,800.89 × 1,393,086.09 - Step 4: Simplify right side
2,539,006.05x = 4,881,096,281,988.62 - Step 5: Solve for x
x = 4,881,096,281,988.62/2,539,006.05 - Step 6: Final answer
x = 1,922,443.74
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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.