Finding the Fourth Proportional to 3,786,902.03, 5,680,403.28 and 1,262,558.09
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Solution
The fourth proportional to 3,786,902.03, 5,680,403.28 and 1,262,558.09 is: 1,893,853.89
Step by Step Solution
- Step 1: Write the proportion equation
3,786,902.03 : 5,680,403.28 = 1,262,558.09 : x - Step 2: Convert to fraction form
3,786,902.03/5,680,403.28 = 1,262,558.09/x - Step 3: Cross multiply
3,786,902.03x = 5,680,403.28 × 1,262,558.09 - Step 4: Simplify right side
3,786,902.03x = 7,171,839,129,827.54 - Step 5: Solve for x
x = 7,171,839,129,827.54/3,786,902.03 - Step 6: Final answer
x = 1,893,853.89
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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.