Finding the Fourth Proportional to 2,680,476.84, 4,021,213.32 and 883,486.44
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Solution
The fourth proportional to 2,680,476.84, 4,021,213.32 and 883,486.44 is: 1,325,393.82
Step by Step Solution
- Step 1: Write the proportion equation
2,680,476.84 : 4,021,213.32 = 883,486.44 : x - Step 2: Convert to fraction form
2,680,476.84/4,021,213.32 = 883,486.44/x - Step 3: Cross multiply
2,680,476.84x = 4,021,213.32 × 883,486.44 - Step 4: Simplify right side
2,680,476.84x = 3,552,687,440,567.38 - Step 5: Solve for x
x = 3,552,687,440,567.38/2,680,476.84 - Step 6: Final answer
x = 1,325,393.82
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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.